Home / 38,080,099.90-52,550,600.07-20,676,478.78

Finding the Fourth Proportional to 38,080,099.90, 52,550,600.07 and 20,676,478.78

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Solution

The fourth proportional to 38,080,099.90, 52,550,600.07 and 20,676,478.78 is: 28,533,574.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,080,099.90 : 52,550,600.07 = 20,676,478.78 : x
  2. Step 2: Convert to fraction form
    38,080,099.90/52,550,600.07 = 20,676,478.78/x
  3. Step 3: Cross multiply
    38,080,099.90x = 52,550,600.07 × 20,676,478.78
  4. Step 4: Simplify right side
    38,080,099.90x = 1,086,561,367,223,621.62
  5. Step 5: Solve for x
    x = 1,086,561,367,223,621.62/38,080,099.90
  6. Step 6: Final answer
    x = 28,533,574.49

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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.