Home / 22,101,775.13-30,502,061.72-12,811,743.59

Finding the Fourth Proportional to 22,101,775.13, 30,502,061.72 and 12,811,743.59

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Solution

The fourth proportional to 22,101,775.13, 30,502,061.72 and 12,811,743.59 is: 17,681,140.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101,775.13 : 30,502,061.72 = 12,811,743.59 : x
  2. Step 2: Convert to fraction form
    22,101,775.13/30,502,061.72 = 12,811,743.59/x
  3. Step 3: Cross multiply
    22,101,775.13x = 30,502,061.72 × 12,811,743.59
  4. Step 4: Simplify right side
    22,101,775.13x = 390,784,593,506,425.38
  5. Step 5: Solve for x
    x = 390,784,593,506,425.38/22,101,775.13
  6. Step 6: Final answer
    x = 17,681,140.60

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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.