Home / 7,186,393.66-9,917,200.02-3,923,248.72

Finding the Fourth Proportional to 7,186,393.66, 9,917,200.02 and 3,923,248.72

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Solution

The fourth proportional to 7,186,393.66, 9,917,200.02 and 3,923,248.72 is: 5,414,070.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,393.66 : 9,917,200.02 = 3,923,248.72 : x
  2. Step 2: Convert to fraction form
    7,186,393.66/9,917,200.02 = 3,923,248.72/x
  3. Step 3: Cross multiply
    7,186,393.66x = 9,917,200.02 × 3,923,248.72
  4. Step 4: Simplify right side
    7,186,393.66x = 38,907,642,284,448.98
  5. Step 5: Solve for x
    x = 38,907,642,284,448.98/7,186,393.66
  6. Step 6: Final answer
    x = 5,414,070.55

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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.