Home / 20,902,113.90-31,363,442.46-9,395,710.95

Finding the Fourth Proportional to 20,902,113.90, 31,363,442.46 and 9,395,710.95

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Solution

The fourth proportional to 20,902,113.90, 31,363,442.46 and 9,395,710.95 is: 14,098,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,113.90 : 31,363,442.46 = 9,395,710.95 : x
  2. Step 2: Convert to fraction form
    20,902,113.90/31,363,442.46 = 9,395,710.95/x
  3. Step 3: Cross multiply
    20,902,113.90x = 31,363,442.46 × 9,395,710.95
  4. Step 4: Simplify right side
    20,902,113.90x = 294,681,839,751,116.94
  5. Step 5: Solve for x
    x = 294,681,839,751,116.94/20,902,113.90
  6. Step 6: Final answer
    x = 14,098,183.62

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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.