Home / 53,638,459.10-80,457,688.65-13,248,943.10

Finding the Fourth Proportional to 53,638,459.10, 80,457,688.65 and 13,248,943.10

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Solution

The fourth proportional to 53,638,459.10, 80,457,688.65 and 13,248,943.10 is: 19,873,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638,459.10 : 80,457,688.65 = 13,248,943.10 : x
  2. Step 2: Convert to fraction form
    53,638,459.10/80,457,688.65 = 13,248,943.10/x
  3. Step 3: Cross multiply
    53,638,459.10x = 80,457,688.65 × 13,248,943.10
  4. Step 4: Simplify right side
    53,638,459.10x = 1,065,979,338,881,365.88
  5. Step 5: Solve for x
    x = 1,065,979,338,881,365.88/53,638,459.10
  6. Step 6: Final answer
    x = 19,873,414.65

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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.