Home / 47,870,220.38-71,805,332.18-11,968,428.38

Finding the Fourth Proportional to 47,870,220.38, 71,805,332.18 and 11,968,428.38

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Solution

The fourth proportional to 47,870,220.38, 71,805,332.18 and 11,968,428.38 is: 17,952,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870,220.38 : 71,805,332.18 = 11,968,428.38 : x
  2. Step 2: Convert to fraction form
    47,870,220.38/71,805,332.18 = 11,968,428.38/x
  3. Step 3: Cross multiply
    47,870,220.38x = 71,805,332.18 × 11,968,428.38
  4. Step 4: Simplify right side
    47,870,220.38x = 859,396,975,169,333.75
  5. Step 5: Solve for x
    x = 859,396,975,169,333.75/47,870,220.38
  6. Step 6: Final answer
    x = 17,952,642.97

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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.