Home / 38,010,715.20-57,016,072.80-12,452,558.40

Finding the Fourth Proportional to 38,010,715.20, 57,016,072.80 and 12,452,558.40

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Solution

The fourth proportional to 38,010,715.20, 57,016,072.80 and 12,452,558.40 is: 18,678,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010,715.20 : 57,016,072.80 = 12,452,558.40 : x
  2. Step 2: Convert to fraction form
    38,010,715.20/57,016,072.80 = 12,452,558.40/x
  3. Step 3: Cross multiply
    38,010,715.20x = 57,016,072.80 × 12,452,558.40
  4. Step 4: Simplify right side
    38,010,715.20x = 709,995,976,280,651.50
  5. Step 5: Solve for x
    x = 709,995,976,280,651.50/38,010,715.20
  6. Step 6: Final answer
    x = 18,678,837.60

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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.