Home / 13,656,834.40-20,485,251.60-9,352,162.30

Finding the Fourth Proportional to 13,656,834.40, 20,485,251.60 and 9,352,162.30

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Solution

The fourth proportional to 13,656,834.40, 20,485,251.60 and 9,352,162.30 is: 14,028,243.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,834.40 : 20,485,251.60 = 9,352,162.30 : x
  2. Step 2: Convert to fraction form
    13,656,834.40/20,485,251.60 = 9,352,162.30/x
  3. Step 3: Cross multiply
    13,656,834.40x = 20,485,251.60 × 9,352,162.30
  4. Step 4: Simplify right side
    13,656,834.40x = 191,581,397,719,534.72
  5. Step 5: Solve for x
    x = 191,581,397,719,534.72/13,656,834.40
  6. Step 6: Final answer
    x = 14,028,243.45

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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.