Home / 12,372,690.66-17,074,498.86-6,866,422.20

Finding the Fourth Proportional to 12,372,690.66, 17,074,498.86 and 6,866,422.20

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Solution

The fourth proportional to 12,372,690.66, 17,074,498.86 and 6,866,422.20 is: 9,475,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372,690.66 : 17,074,498.86 = 6,866,422.20 : x
  2. Step 2: Convert to fraction form
    12,372,690.66/17,074,498.86 = 6,866,422.20/x
  3. Step 3: Cross multiply
    12,372,690.66x = 17,074,498.86 × 6,866,422.20
  4. Step 4: Simplify right side
    12,372,690.66x = 117,240,718,026,178.69
  5. Step 5: Solve for x
    x = 117,240,718,026,178.69/12,372,690.66
  6. Step 6: Final answer
    x = 9,475,765.72

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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.