Home / 13,902,372.80-20,853,559.20-13,335,502.40

Finding the Fourth Proportional to 13,902,372.80, 20,853,559.20 and 13,335,502.40

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Solution

The fourth proportional to 13,902,372.80, 20,853,559.20 and 13,335,502.40 is: 20,003,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,372.80 : 20,853,559.20 = 13,335,502.40 : x
  2. Step 2: Convert to fraction form
    13,902,372.80/20,853,559.20 = 13,335,502.40/x
  3. Step 3: Cross multiply
    13,902,372.80x = 20,853,559.20 × 13,335,502.40
  4. Step 4: Simplify right side
    13,902,372.80x = 278,092,688,760,142.06
  5. Step 5: Solve for x
    x = 278,092,688,760,142.06/13,902,372.80
  6. Step 6: Final answer
    x = 20,003,253.60

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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.