Home / 15,304,480.47-21,119,751.68-8,335,000.71

Finding the Fourth Proportional to 15,304,480.47, 21,119,751.68 and 8,335,000.71

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Solution

The fourth proportional to 15,304,480.47, 21,119,751.68 and 8,335,000.71 is: 11,502,066.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304,480.47 : 21,119,751.68 = 8,335,000.71 : x
  2. Step 2: Convert to fraction form
    15,304,480.47/21,119,751.68 = 8,335,000.71/x
  3. Step 3: Cross multiply
    15,304,480.47x = 21,119,751.68 × 8,335,000.71
  4. Step 4: Simplify right side
    15,304,480.47x = 176,033,145,206,148.69
  5. Step 5: Solve for x
    x = 176,033,145,206,148.69/15,304,480.47
  6. Step 6: Final answer
    x = 11,502,066.05

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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.