Home / 14,526,015.70-21,789,023.55-13,431,154.90

Finding the Fourth Proportional to 14,526,015.70, 21,789,023.55 and 13,431,154.90

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Solution

The fourth proportional to 14,526,015.70, 21,789,023.55 and 13,431,154.90 is: 20,146,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526,015.70 : 21,789,023.55 = 13,431,154.90 : x
  2. Step 2: Convert to fraction form
    14,526,015.70/21,789,023.55 = 13,431,154.90/x
  3. Step 3: Cross multiply
    14,526,015.70x = 21,789,023.55 × 13,431,154.90
  4. Step 4: Simplify right side
    14,526,015.70x = 292,651,750,419,797.94
  5. Step 5: Solve for x
    x = 292,651,750,419,797.94/14,526,015.70
  6. Step 6: Final answer
    x = 20,146,732.35

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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.