Home / 20,187,232.80-30,280,849.20-9,956,993.55

Finding the Fourth Proportional to 20,187,232.80, 30,280,849.20 and 9,956,993.55

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Solution

The fourth proportional to 20,187,232.80, 30,280,849.20 and 9,956,993.55 is: 14,935,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,187,232.80 : 30,280,849.20 = 9,956,993.55 : x
  2. Step 2: Convert to fraction form
    20,187,232.80/30,280,849.20 = 9,956,993.55/x
  3. Step 3: Cross multiply
    20,187,232.80x = 30,280,849.20 × 9,956,993.55
  4. Step 4: Simplify right side
    20,187,232.80x = 301,506,220,172,922.69
  5. Step 5: Solve for x
    x = 301,506,220,172,922.69/20,187,232.80
  6. Step 6: Final answer
    x = 14,935,490.33

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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.