Home / 13,764,520.79-18,995,526.12-7,570,046.96

Finding the Fourth Proportional to 13,764,520.79, 18,995,526.12 and 7,570,046.96

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Solution

The fourth proportional to 13,764,520.79, 18,995,526.12 and 7,570,046.96 is: 10,446,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,520.79 : 18,995,526.12 = 7,570,046.96 : x
  2. Step 2: Convert to fraction form
    13,764,520.79/18,995,526.12 = 7,570,046.96/x
  3. Step 3: Cross multiply
    13,764,520.79x = 18,995,526.12 × 7,570,046.96
  4. Step 4: Simplify right side
    13,764,520.79x = 143,797,024,758,306.59
  5. Step 5: Solve for x
    x = 143,797,024,758,306.59/13,764,520.79
  6. Step 6: Final answer
    x = 10,446,932.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.