Home / 12,148,691.10-18,234,846.45-7,365,722.10

Finding the Fourth Proportional to 12,148,691.10, 18,234,846.45 and 7,365,722.10

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Solution

The fourth proportional to 12,148,691.10, 18,234,846.45 and 7,365,722.10 is: 11,055,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,691.10 : 18,234,846.45 = 7,365,722.10 : x
  2. Step 2: Convert to fraction form
    12,148,691.10/18,234,846.45 = 7,365,722.10/x
  3. Step 3: Cross multiply
    12,148,691.10x = 18,234,846.45 × 7,365,722.10
  4. Step 4: Simplify right side
    12,148,691.10x = 134,312,811,486,871.53
  5. Step 5: Solve for x
    x = 134,312,811,486,871.53/12,148,691.10
  6. Step 6: Final answer
    x = 11,055,743.40

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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.