Home / 22,247,279.76-30,685,385.48-20,417,635.92

Finding the Fourth Proportional to 22,247,279.76, 30,685,385.48 and 20,417,635.92

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Solution

The fourth proportional to 22,247,279.76, 30,685,385.48 and 20,417,635.92 is: 28,161,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247,279.76 : 30,685,385.48 = 20,417,635.92 : x
  2. Step 2: Convert to fraction form
    22,247,279.76/30,685,385.48 = 20,417,635.92/x
  3. Step 3: Cross multiply
    22,247,279.76x = 30,685,385.48 × 20,417,635.92
  4. Step 4: Simplify right side
    22,247,279.76x = 626,523,028,795,494.50
  5. Step 5: Solve for x
    x = 626,523,028,795,494.50/22,247,279.76
  6. Step 6: Final answer
    x = 28,161,781.38

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1.5x scale

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.