Home / 21,845,591.28-30,146,853.72-12,055,964.52

Finding the Fourth Proportional to 21,845,591.28, 30,146,853.72 and 12,055,964.52

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Solution

The fourth proportional to 21,845,591.28, 30,146,853.72 and 12,055,964.52 is: 16,637,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845,591.28 : 30,146,853.72 = 12,055,964.52 : x
  2. Step 2: Convert to fraction form
    21,845,591.28/30,146,853.72 = 12,055,964.52/x
  3. Step 3: Cross multiply
    21,845,591.28x = 30,146,853.72 × 12,055,964.52
  4. Step 4: Simplify right side
    21,845,591.28x = 363,449,398,837,950
  5. Step 5: Solve for x
    x = 363,449,398,837,950/21,845,591.28
  6. Step 6: Final answer
    x = 16,637,196.69

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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.