Home / 12,188,675.44-16,820,264.46-6,681,949.96

Finding the Fourth Proportional to 12,188,675.44, 16,820,264.46 and 6,681,949.96

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Solution

The fourth proportional to 12,188,675.44, 16,820,264.46 and 6,681,949.96 is: 9,221,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,675.44 : 16,820,264.46 = 6,681,949.96 : x
  2. Step 2: Convert to fraction form
    12,188,675.44/16,820,264.46 = 6,681,949.96/x
  3. Step 3: Cross multiply
    12,188,675.44x = 16,820,264.46 × 6,681,949.96
  4. Step 4: Simplify right side
    12,188,675.44x = 112,392,165,435,686.42
  5. Step 5: Solve for x
    x = 112,392,165,435,686.42/12,188,675.44
  6. Step 6: Final answer
    x = 9,221,031.93

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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.