Home / 30,715,299.20-42,387,044.49-17,662,559.27

Finding the Fourth Proportional to 30,715,299.20, 42,387,044.49 and 17,662,559.27

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Solution

The fourth proportional to 30,715,299.20, 42,387,044.49 and 17,662,559.27 is: 24,374,292.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,715,299.20 : 42,387,044.49 = 17,662,559.27 : x
  2. Step 2: Convert to fraction form
    30,715,299.20/42,387,044.49 = 17,662,559.27/x
  3. Step 3: Cross multiply
    30,715,299.20x = 42,387,044.49 × 17,662,559.27
  4. Step 4: Simplify right side
    30,715,299.20x = 748,663,685,587,636.25
  5. Step 5: Solve for x
    x = 748,663,685,587,636.25/30,715,299.20
  6. Step 6: Final answer
    x = 24,374,292.45

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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.