Home / 12,511,862.60-18,767,793.90-4,433,959.40

Finding the Fourth Proportional to 12,511,862.60, 18,767,793.90 and 4,433,959.40

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Solution

The fourth proportional to 12,511,862.60, 18,767,793.90 and 4,433,959.40 is: 6,650,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511,862.60 : 18,767,793.90 = 4,433,959.40 : x
  2. Step 2: Convert to fraction form
    12,511,862.60/18,767,793.90 = 4,433,959.40/x
  3. Step 3: Cross multiply
    12,511,862.60x = 18,767,793.90 × 4,433,959.40
  4. Step 4: Simplify right side
    12,511,862.60x = 83,215,636,180,167.66
  5. Step 5: Solve for x
    x = 83,215,636,180,167.66/12,511,862.60
  6. Step 6: Final answer
    x = 6,650,939.10

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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.