Home / 40,478,963.60-60,718,445.40-11,726,037.20

Finding the Fourth Proportional to 40,478,963.60, 60,718,445.40 and 11,726,037.20

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Solution

The fourth proportional to 40,478,963.60, 60,718,445.40 and 11,726,037.20 is: 17,589,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478,963.60 : 60,718,445.40 = 11,726,037.20 : x
  2. Step 2: Convert to fraction form
    40,478,963.60/60,718,445.40 = 11,726,037.20/x
  3. Step 3: Cross multiply
    40,478,963.60x = 60,718,445.40 × 11,726,037.20
  4. Step 4: Simplify right side
    40,478,963.60x = 711,986,749,486,568.88
  5. Step 5: Solve for x
    x = 711,986,749,486,568.88/40,478,963.60
  6. Step 6: Final answer
    x = 17,589,055.80

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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.