Home / 53,638,517.10-80,457,775.65-13,249,001.10

Finding the Fourth Proportional to 53,638,517.10, 80,457,775.65 and 13,249,001.10

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Solution

The fourth proportional to 53,638,517.10, 80,457,775.65 and 13,249,001.10 is: 19,873,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638,517.10 : 80,457,775.65 = 13,249,001.10 : x
  2. Step 2: Convert to fraction form
    53,638,517.10/80,457,775.65 = 13,249,001.10/x
  3. Step 3: Cross multiply
    53,638,517.10x = 80,457,775.65 × 13,249,001.10
  4. Step 4: Simplify right side
    53,638,517.10x = 1,065,985,158,090,403.25
  5. Step 5: Solve for x
    x = 1,065,985,158,090,403.25/53,638,517.10
  6. Step 6: Final answer
    x = 19,873,501.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.