Home / 38,286,541.20-57,429,811.80-12,724,229.10

Finding the Fourth Proportional to 38,286,541.20, 57,429,811.80 and 12,724,229.10

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Solution

The fourth proportional to 38,286,541.20, 57,429,811.80 and 12,724,229.10 is: 19,086,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,286,541.20 : 57,429,811.80 = 12,724,229.10 : x
  2. Step 2: Convert to fraction form
    38,286,541.20/57,429,811.80 = 12,724,229.10/x
  3. Step 3: Cross multiply
    38,286,541.20x = 57,429,811.80 × 12,724,229.10
  4. Step 4: Simplify right side
    38,286,541.20x = 730,750,082,513,083.38
  5. Step 5: Solve for x
    x = 730,750,082,513,083.38/38,286,541.20
  6. Step 6: Final answer
    x = 19,086,343.65

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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.