Home / 12,215,349.00-18,323,013.07-3,117,445.87

Finding the Fourth Proportional to 12,215,349.00, 18,323,013.07 and 3,117,445.87

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Solution

The fourth proportional to 12,215,349.00, 18,323,013.07 and 3,117,445.87 is: 4,676,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,349.00 : 18,323,013.07 = 3,117,445.87 : x
  2. Step 2: Convert to fraction form
    12,215,349.00/18,323,013.07 = 3,117,445.87/x
  3. Step 3: Cross multiply
    12,215,349.00x = 18,323,013.07 × 3,117,445.87
  4. Step 4: Simplify right side
    12,215,349.00x = 57,121,001,379,116.80
  5. Step 5: Solve for x
    x = 57,121,001,379,116.80/12,215,349.00
  6. Step 6: Final answer
    x = 4,676,166.14

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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.