Home / 20,902,109.90-31,363,436.45-9,395,706.94

Finding the Fourth Proportional to 20,902,109.90, 31,363,436.45 and 9,395,706.94

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Solution

The fourth proportional to 20,902,109.90, 31,363,436.45 and 9,395,706.94 is: 14,098,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,109.90 : 31,363,436.45 = 9,395,706.94 : x
  2. Step 2: Convert to fraction form
    20,902,109.90/31,363,436.45 = 9,395,706.94/x
  3. Step 3: Cross multiply
    20,902,109.90x = 31,363,436.45 × 9,395,706.94
  4. Step 4: Simplify right side
    20,902,109.90x = 294,681,657,460,594.62
  5. Step 5: Solve for x
    x = 294,681,657,460,594.62/20,902,109.90
  6. Step 6: Final answer
    x = 14,098,177.60

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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.