Home / 14,526,007.70-21,789,011.55-13,431,146.90

Finding the Fourth Proportional to 14,526,007.70, 21,789,011.55 and 13,431,146.90

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Solution

The fourth proportional to 14,526,007.70, 21,789,011.55 and 13,431,146.90 is: 20,146,720.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526,007.70 : 21,789,011.55 = 13,431,146.90 : x
  2. Step 2: Convert to fraction form
    14,526,007.70/21,789,011.55 = 13,431,146.90/x
  3. Step 3: Cross multiply
    14,526,007.70x = 21,789,011.55 × 13,431,146.90
  4. Step 4: Simplify right side
    14,526,007.70x = 292,651,414,933,846.69
  5. Step 5: Solve for x
    x = 292,651,414,933,846.69/14,526,007.70
  6. Step 6: Final answer
    x = 20,146,720.35

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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.