Home / 15,541,641.20-23,312,461.80-12,140,418.80

Finding the Fourth Proportional to 15,541,641.20, 23,312,461.80 and 12,140,418.80

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Solution

The fourth proportional to 15,541,641.20, 23,312,461.80 and 12,140,418.80 is: 18,210,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541,641.20 : 23,312,461.80 = 12,140,418.80 : x
  2. Step 2: Convert to fraction form
    15,541,641.20/23,312,461.80 = 12,140,418.80/x
  3. Step 3: Cross multiply
    15,541,641.20x = 23,312,461.80 × 12,140,418.80
  4. Step 4: Simplify right side
    15,541,641.20x = 283,023,049,511,001.88
  5. Step 5: Solve for x
    x = 283,023,049,511,001.88/15,541,641.20
  6. Step 6: Final answer
    x = 18,210,628.20

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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.