Home / 40,224,279.20-60,367,911.60-18,661,552.70

Finding the Fourth Proportional to 40,224,279.20, 60,367,911.60 and 18,661,552.70

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Solution

The fourth proportional to 40,224,279.20, 60,367,911.60 and 18,661,552.70 is: 28,006,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,224,279.20 : 60,367,911.60 = 18,661,552.70 : x
  2. Step 2: Convert to fraction form
    40,224,279.20/60,367,911.60 = 18,661,552.70/x
  3. Step 3: Cross multiply
    40,224,279.20x = 60,367,911.60 × 18,661,552.70
  4. Step 4: Simplify right side
    40,224,279.20x = 1,126,558,963,712,341.25
  5. Step 5: Solve for x
    x = 1,126,558,963,712,341.25/40,224,279.20
  6. Step 6: Final answer
    x = 28,006,939.74

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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.