Home / 12,889,655.97-17,787,370.53-7,088,437.71

Finding the Fourth Proportional to 12,889,655.97, 17,787,370.53 and 7,088,437.71

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Solution

The fourth proportional to 12,889,655.97, 17,787,370.53 and 7,088,437.71 is: 9,781,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,655.97 : 17,787,370.53 = 7,088,437.71 : x
  2. Step 2: Convert to fraction form
    12,889,655.97/17,787,370.53 = 7,088,437.71/x
  3. Step 3: Cross multiply
    12,889,655.97x = 17,787,370.53 × 7,088,437.71
  4. Step 4: Simplify right side
    12,889,655.97x = 126,084,668,026,594.69
  5. Step 5: Solve for x
    x = 126,084,668,026,594.69/12,889,655.97
  6. Step 6: Final answer
    x = 9,781,848.97

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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.