Home / 12,957,516.64-17,881,268.08-7,156,696

Finding the Fourth Proportional to 12,957,516.64, 17,881,268.08 and 7,156,696

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Solution

The fourth proportional to 12,957,516.64, 17,881,268.08 and 7,156,696 is: 9,876,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957,516.64 : 17,881,268.08 = 7,156,696 : x
  2. Step 2: Convert to fraction form
    12,957,516.64/17,881,268.08 = 7,156,696/x
  3. Step 3: Cross multiply
    12,957,516.64x = 17,881,268.08 × 7,156,696
  4. Step 4: Simplify right side
    12,957,516.64x = 127,970,799,743,063.67
  5. Step 5: Solve for x
    x = 127,970,799,743,063.67/12,957,516.64
  6. Step 6: Final answer
    x = 9,876,182.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.