Home / 20,763,098.70-31,144,648.05-9,248,543.70

Finding the Fourth Proportional to 20,763,098.70, 31,144,648.05 and 9,248,543.70

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Solution

The fourth proportional to 20,763,098.70, 31,144,648.05 and 9,248,543.70 is: 13,872,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763,098.70 : 31,144,648.05 = 9,248,543.70 : x
  2. Step 2: Convert to fraction form
    20,763,098.70/31,144,648.05 = 9,248,543.70/x
  3. Step 3: Cross multiply
    20,763,098.70x = 31,144,648.05 × 9,248,543.70
  4. Step 4: Simplify right side
    20,763,098.70x = 288,042,638,511,544.75
  5. Step 5: Solve for x
    x = 288,042,638,511,544.75/20,763,098.70
  6. Step 6: Final answer
    x = 13,872,815.55

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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.