Home / 21,888,045.30-32,832,067.95-12,818,118.90

Finding the Fourth Proportional to 21,888,045.30, 32,832,067.95 and 12,818,118.90

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Solution

The fourth proportional to 21,888,045.30, 32,832,067.95 and 12,818,118.90 is: 19,227,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,045.30 : 32,832,067.95 = 12,818,118.90 : x
  2. Step 2: Convert to fraction form
    21,888,045.30/32,832,067.95 = 12,818,118.90/x
  3. Step 3: Cross multiply
    21,888,045.30x = 32,832,067.95 × 12,818,118.90
  4. Step 4: Simplify right side
    21,888,045.30x = 420,845,350,715,979.25
  5. Step 5: Solve for x
    x = 420,845,350,715,979.25/21,888,045.30
  6. Step 6: Final answer
    x = 19,227,178.35

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1.5x scale

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.