Home / 18,722,543.10-28,086,925.05-7,363,362.30

Finding the Fourth Proportional to 18,722,543.10, 28,086,925.05 and 7,363,362.30

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Solution

The fourth proportional to 18,722,543.10, 28,086,925.05 and 7,363,362.30 is: 11,046,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,543.10 : 28,086,925.05 = 7,363,362.30 : x
  2. Step 2: Convert to fraction form
    18,722,543.10/28,086,925.05 = 7,363,362.30/x
  3. Step 3: Cross multiply
    18,722,543.10x = 28,086,925.05 × 7,363,362.30
  4. Step 4: Simplify right side
    18,722,543.10x = 206,814,205,036,095.62
  5. Step 5: Solve for x
    x = 206,814,205,036,095.62/18,722,543.10
  6. Step 6: Final answer
    x = 11,046,266.73

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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.