Home / 20,754,425.10-31,131,637.65-11,188,487.10

Finding the Fourth Proportional to 20,754,425.10, 31,131,637.65 and 11,188,487.10

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Solution

The fourth proportional to 20,754,425.10, 31,131,637.65 and 11,188,487.10 is: 16,782,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,425.10 : 31,131,637.65 = 11,188,487.10 : x
  2. Step 2: Convert to fraction form
    20,754,425.10/31,131,637.65 = 11,188,487.10/x
  3. Step 3: Cross multiply
    20,754,425.10x = 31,131,637.65 × 11,188,487.10
  4. Step 4: Simplify right side
    20,754,425.10x = 348,315,926,248,899.31
  5. Step 5: Solve for x
    x = 348,315,926,248,899.31/20,754,425.10
  6. Step 6: Final answer
    x = 16,782,730.65

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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.