Home / 12,019,987.20-16,585,747.20-6,791,087.28

Finding the Fourth Proportional to 12,019,987.20, 16,585,747.20 and 6,791,087.28

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Solution

The fourth proportional to 12,019,987.20, 16,585,747.20 and 6,791,087.28 is: 9,370,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,987.20 : 16,585,747.20 = 6,791,087.28 : x
  2. Step 2: Convert to fraction form
    12,019,987.20/16,585,747.20 = 6,791,087.28/x
  3. Step 3: Cross multiply
    12,019,987.20x = 16,585,747.20 × 6,791,087.28
  4. Step 4: Simplify right side
    12,019,987.20x = 112,635,256,839,215.61
  5. Step 5: Solve for x
    x = 112,635,256,839,215.61/12,019,987.20
  6. Step 6: Final answer
    x = 9,370,663.63

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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.