Home / 14,526,209.70-21,789,314.55-13,431,348.90

Finding the Fourth Proportional to 14,526,209.70, 21,789,314.55 and 13,431,348.90

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Solution

The fourth proportional to 14,526,209.70, 21,789,314.55 and 13,431,348.90 is: 20,147,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526,209.70 : 21,789,314.55 = 13,431,348.90 : x
  2. Step 2: Convert to fraction form
    14,526,209.70/21,789,314.55 = 13,431,348.90/x
  3. Step 3: Cross multiply
    14,526,209.70x = 21,789,314.55 × 13,431,348.90
  4. Step 4: Simplify right side
    14,526,209.70x = 292,659,886,012,896.50
  5. Step 5: Solve for x
    x = 292,659,886,012,896.50/14,526,209.70
  6. Step 6: Final answer
    x = 20,147,023.35

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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.