Home / 42,206,086.40-63,309,233.28-11,913,935.36

Finding the Fourth Proportional to 42,206,086.40, 63,309,233.28 and 11,913,935.36

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Solution

The fourth proportional to 42,206,086.40, 63,309,233.28 and 11,913,935.36 is: 17,870,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,206,086.40 : 63,309,233.28 = 11,913,935.36 : x
  2. Step 2: Convert to fraction form
    42,206,086.40/63,309,233.28 = 11,913,935.36/x
  3. Step 3: Cross multiply
    42,206,086.40x = 63,309,233.28 × 11,913,935.36
  4. Step 4: Simplify right side
    42,206,086.40x = 754,262,112,989,080.75
  5. Step 5: Solve for x
    x = 754,262,112,989,080.75/42,206,086.40
  6. Step 6: Final answer
    x = 17,870,932.31

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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.