Home / 20,298,288.15-30,447,432.23-10,059,191.55

Finding the Fourth Proportional to 20,298,288.15, 30,447,432.23 and 10,059,191.55

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Solution

The fourth proportional to 20,298,288.15, 30,447,432.23 and 10,059,191.55 is: 15,088,787.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,288.15 : 30,447,432.23 = 10,059,191.55 : x
  2. Step 2: Convert to fraction form
    20,298,288.15/30,447,432.23 = 10,059,191.55/x
  3. Step 3: Cross multiply
    20,298,288.15x = 30,447,432.23 × 10,059,191.55
  4. Step 4: Simplify right side
    20,298,288.15x = 306,276,552,956,917.75
  5. Step 5: Solve for x
    x = 306,276,552,956,917.75/20,298,288.15
  6. Step 6: Final answer
    x = 15,088,787.33

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Similar ratio
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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.