Home / 13,853,218.32-19,115,785.15-7,657,428.19

Finding the Fourth Proportional to 13,853,218.32, 19,115,785.15 and 7,657,428.19

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Solution

The fourth proportional to 13,853,218.32, 19,115,785.15 and 7,657,428.19 is: 10,566,335.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853,218.32 : 19,115,785.15 = 7,657,428.19 : x
  2. Step 2: Convert to fraction form
    13,853,218.32/19,115,785.15 = 7,657,428.19/x
  3. Step 3: Cross multiply
    13,853,218.32x = 19,115,785.15 × 7,657,428.19
  4. Step 4: Simplify right side
    13,853,218.32x = 146,377,752,023,629.50
  5. Step 5: Solve for x
    x = 146,377,752,023,629.50/13,853,218.32
  6. Step 6: Final answer
    x = 10,566,335.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.