Home / 15,517,935.04-21,415,414.08-8,642,416

Finding the Fourth Proportional to 15,517,935.04, 21,415,414.08 and 8,642,416

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Solution

The fourth proportional to 15,517,935.04, 21,415,414.08 and 8,642,416 is: 11,926,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,935.04 : 21,415,414.08 = 8,642,416 : x
  2. Step 2: Convert to fraction form
    15,517,935.04/21,415,414.08 = 8,642,416/x
  3. Step 3: Cross multiply
    15,517,935.04x = 21,415,414.08 × 8,642,416
  4. Step 4: Simplify right side
    15,517,935.04x = 185,080,917,291,617.25
  5. Step 5: Solve for x
    x = 185,080,917,291,617.25/15,517,935.04
  6. Step 6: Final answer
    x = 11,926,903.73

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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.