Home / 20,732,529.10-31,098,793.66-9,947,994.70

Finding the Fourth Proportional to 20,732,529.10, 31,098,793.66 and 9,947,994.70

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Solution

The fourth proportional to 20,732,529.10, 31,098,793.66 and 9,947,994.70 is: 14,921,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,529.10 : 31,098,793.66 = 9,947,994.70 : x
  2. Step 2: Convert to fraction form
    20,732,529.10/31,098,793.66 = 9,947,994.70/x
  3. Step 3: Cross multiply
    20,732,529.10x = 31,098,793.66 × 9,947,994.70
  4. Step 4: Simplify right side
    20,732,529.10x = 309,370,634,506,073.56
  5. Step 5: Solve for x
    x = 309,370,634,506,073.56/20,732,529.10
  6. Step 6: Final answer
    x = 14,921,992.05

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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.