Home / 12,687,479.49-17,508,740.94-6,886,263.36

Finding the Fourth Proportional to 12,687,479.49, 17,508,740.94 and 6,886,263.36

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Solution

The fourth proportional to 12,687,479.49, 17,508,740.94 and 6,886,263.36 is: 9,503,053.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,479.49 : 17,508,740.94 = 6,886,263.36 : x
  2. Step 2: Convert to fraction form
    12,687,479.49/17,508,740.94 = 6,886,263.36/x
  3. Step 3: Cross multiply
    12,687,479.49x = 17,508,740.94 × 6,886,263.36
  4. Step 4: Simplify right side
    12,687,479.49x = 120,569,801,214,853.97
  5. Step 5: Solve for x
    x = 120,569,801,214,853.97/12,687,479.49
  6. Step 6: Final answer
    x = 9,503,053.88

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1.5x scale

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.