Home / 15,451,763.80-23,200,398-8,641,679.52

Finding the Fourth Proportional to 15,451,763.80, 23,200,398 and 8,641,679.52

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Solution

The fourth proportional to 15,451,763.80, 23,200,398 and 8,641,679.52 is: 12,975,243.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,451,763.80 : 23,200,398 = 8,641,679.52 : x
  2. Step 2: Convert to fraction form
    15,451,763.80/23,200,398 = 8,641,679.52/x
  3. Step 3: Cross multiply
    15,451,763.80x = 23,200,398 × 8,641,679.52
  4. Step 4: Simplify right side
    15,451,763.80x = 200,490,404,252,448.94
  5. Step 5: Solve for x
    x = 200,490,404,252,448.94/15,451,763.80
  6. Step 6: Final answer
    x = 12,975,243.92

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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.