Home / 40,318,753.14-60,461,314.05-12,645,540.78

Finding the Fourth Proportional to 40,318,753.14, 60,461,314.05 and 12,645,540.78

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Solution

The fourth proportional to 40,318,753.14, 60,461,314.05 and 12,645,540.78 is: 18,963,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318,753.14 : 60,461,314.05 = 12,645,540.78 : x
  2. Step 2: Convert to fraction form
    40,318,753.14/60,461,314.05 = 12,645,540.78/x
  3. Step 3: Cross multiply
    40,318,753.14x = 60,461,314.05 × 12,645,540.78
  4. Step 4: Simplify right side
    40,318,753.14x = 764,566,012,431,661.88
  5. Step 5: Solve for x
    x = 764,566,012,431,661.88/40,318,753.14
  6. Step 6: Final answer
    x = 18,963,037.12

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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.