Home / 8,116,414.28-12,182,825.64-7,199,185.40

Finding the Fourth Proportional to 8,116,414.28, 12,182,825.64 and 7,199,185.40

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Solution

The fourth proportional to 8,116,414.28, 12,182,825.64 and 7,199,185.40 is: 10,806,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116,414.28 : 12,182,825.64 = 7,199,185.40 : x
  2. Step 2: Convert to fraction form
    8,116,414.28/12,182,825.64 = 7,199,185.40/x
  3. Step 3: Cross multiply
    8,116,414.28x = 12,182,825.64 × 7,199,185.40
  4. Step 4: Simplify right side
    8,116,414.28x = 87,706,420,478,233.67
  5. Step 5: Solve for x
    x = 87,706,420,478,233.67/8,116,414.28
  6. Step 6: Final answer
    x = 10,806,055.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.