Home / 13,902,001.40-20,805,762.90-12,201,390.20

Finding the Fourth Proportional to 13,902,001.40, 20,805,762.90 and 12,201,390.20

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Solution

The fourth proportional to 13,902,001.40, 20,805,762.90 and 12,201,390.20 is: 18,260,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,001.40 : 20,805,762.90 = 12,201,390.20 : x
  2. Step 2: Convert to fraction form
    13,902,001.40/20,805,762.90 = 12,201,390.20/x
  3. Step 3: Cross multiply
    13,902,001.40x = 20,805,762.90 × 12,201,390.20
  4. Step 4: Simplify right side
    13,902,001.40x = 253,859,231,551,583.53
  5. Step 5: Solve for x
    x = 253,859,231,551,583.53/13,902,001.40
  6. Step 6: Final answer
    x = 18,260,624.80

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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.