Home / 18,890,473.35-28,335,614.91-7,377,109.75

Finding the Fourth Proportional to 18,890,473.35, 28,335,614.91 and 7,377,109.75

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Solution

The fourth proportional to 18,890,473.35, 28,335,614.91 and 7,377,109.75 is: 11,065,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890,473.35 : 28,335,614.91 = 7,377,109.75 : x
  2. Step 2: Convert to fraction form
    18,890,473.35/28,335,614.91 = 7,377,109.75/x
  3. Step 3: Cross multiply
    18,890,473.35x = 28,335,614.91 × 7,377,109.75
  4. Step 4: Simplify right side
    18,890,473.35x = 209,034,941,024,806.38
  5. Step 5: Solve for x
    x = 209,034,941,024,806.38/18,890,473.35
  6. Step 6: Final answer
    x = 11,065,627.48

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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.