Home / 53,638,515.10-80,457,772.65-13,248,999.10

Finding the Fourth Proportional to 53,638,515.10, 80,457,772.65 and 13,248,999.10

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Solution

The fourth proportional to 53,638,515.10, 80,457,772.65 and 13,248,999.10 is: 19,873,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638,515.10 : 80,457,772.65 = 13,248,999.10 : x
  2. Step 2: Convert to fraction form
    53,638,515.10/80,457,772.65 = 13,248,999.10/x
  3. Step 3: Cross multiply
    53,638,515.10x = 80,457,772.65 × 13,248,999.10
  4. Step 4: Simplify right side
    53,638,515.10x = 1,065,984,957,427,854.62
  5. Step 5: Solve for x
    x = 1,065,984,957,427,854.62/53,638,515.10
  6. Step 6: Final answer
    x = 19,873,498.65

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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.