Home / 40,318,753.64-60,461,314.80-12,645,541.28

Finding the Fourth Proportional to 40,318,753.64, 60,461,314.80 and 12,645,541.28

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Solution

The fourth proportional to 40,318,753.64, 60,461,314.80 and 12,645,541.28 is: 18,963,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318,753.64 : 60,461,314.80 = 12,645,541.28 : x
  2. Step 2: Convert to fraction form
    40,318,753.64/60,461,314.80 = 12,645,541.28/x
  3. Step 3: Cross multiply
    40,318,753.64x = 60,461,314.80 × 12,645,541.28
  4. Step 4: Simplify right side
    40,318,753.64x = 764,566,052,146,474.88
  5. Step 5: Solve for x
    x = 764,566,052,146,474.88/40,318,753.64
  6. Step 6: Final answer
    x = 18,963,037.87

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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.