Home / 21,948,947.29-30,291,407.22-12,162,461.28

Finding the Fourth Proportional to 21,948,947.29, 30,291,407.22 and 12,162,461.28

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Solution

The fourth proportional to 21,948,947.29, 30,291,407.22 and 12,162,461.28 is: 16,785,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,947.29 : 30,291,407.22 = 12,162,461.28 : x
  2. Step 2: Convert to fraction form
    21,948,947.29/30,291,407.22 = 12,162,461.28/x
  3. Step 3: Cross multiply
    21,948,947.29x = 30,291,407.22 × 12,162,461.28
  4. Step 4: Simplify right side
    21,948,947.29x = 368,418,067,429,962.44
  5. Step 5: Solve for x
    x = 368,418,067,429,962.44/21,948,947.29
  6. Step 6: Final answer
    x = 16,785,227.22

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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.