Home / 12,959,470.26-17,882,536.05-7,157,906.10

Finding the Fourth Proportional to 12,959,470.26, 17,882,536.05 and 7,157,906.10

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Solution

The fourth proportional to 12,959,470.26, 17,882,536.05 and 7,157,906.10 is: 9,877,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,959,470.26 : 17,882,536.05 = 7,157,906.10 : x
  2. Step 2: Convert to fraction form
    12,959,470.26/17,882,536.05 = 7,157,906.10/x
  3. Step 3: Cross multiply
    12,959,470.26x = 17,882,536.05 × 7,157,906.10
  4. Step 4: Simplify right side
    12,959,470.26x = 128,001,513,875,764.91
  5. Step 5: Solve for x
    x = 128,001,513,875,764.91/12,959,470.26
  6. Step 6: Final answer
    x = 9,877,063.75

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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.