Home / 20,022,080-27,653,280-13,572,354.56

Finding the Fourth Proportional to 20,022,080, 27,653,280 and 13,572,354.56

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Solution

The fourth proportional to 20,022,080, 27,653,280 and 13,572,354.56 is: 18,745,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,080 : 27,653,280 = 13,572,354.56 : x
  2. Step 2: Convert to fraction form
    20,022,080/27,653,280 = 13,572,354.56/x
  3. Step 3: Cross multiply
    20,022,080x = 27,653,280 × 13,572,354.56
  4. Step 4: Simplify right side
    20,022,080x = 375,320,120,906,956.81
  5. Step 5: Solve for x
    x = 375,320,120,906,956.81/20,022,080
  6. Step 6: Final answer
    x = 18,745,311.22

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1.5x scale

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.