Home / 20,902,114.40-31,363,443.21-9,395,711.45

Finding the Fourth Proportional to 20,902,114.40, 31,363,443.21 and 9,395,711.45

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Solution

The fourth proportional to 20,902,114.40, 31,363,443.21 and 9,395,711.45 is: 14,098,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,114.40 : 31,363,443.21 = 9,395,711.45 : x
  2. Step 2: Convert to fraction form
    20,902,114.40/31,363,443.21 = 9,395,711.45/x
  3. Step 3: Cross multiply
    20,902,114.40x = 31,363,443.21 × 9,395,711.45
  4. Step 4: Simplify right side
    20,902,114.40x = 294,681,862,479,621.75
  5. Step 5: Solve for x
    x = 294,681,862,479,621.75/20,902,114.40
  6. Step 6: Final answer
    x = 14,098,184.37

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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.