Home / 12,545,127.20-18,789,697.20-9,696,000.80

Finding the Fourth Proportional to 12,545,127.20, 18,789,697.20 and 9,696,000.80

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Solution

The fourth proportional to 12,545,127.20, 18,789,697.20 and 9,696,000.80 is: 14,522,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545,127.20 : 18,789,697.20 = 9,696,000.80 : x
  2. Step 2: Convert to fraction form
    12,545,127.20/18,789,697.20 = 9,696,000.80/x
  3. Step 3: Cross multiply
    12,545,127.20x = 18,789,697.20 × 9,696,000.80
  4. Step 4: Simplify right side
    12,545,127.20x = 182,184,919,082,957.78
  5. Step 5: Solve for x
    x = 182,184,919,082,957.78/12,545,127.20
  6. Step 6: Final answer
    x = 14,522,365.23

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1.5x scale

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.