Home / 7,243,862.60-10,865,793.90-4,374,081.20

Finding the Fourth Proportional to 7,243,862.60, 10,865,793.90 and 4,374,081.20

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Solution

The fourth proportional to 7,243,862.60, 10,865,793.90 and 4,374,081.20 is: 6,561,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,862.60 : 10,865,793.90 = 4,374,081.20 : x
  2. Step 2: Convert to fraction form
    7,243,862.60/10,865,793.90 = 4,374,081.20/x
  3. Step 3: Cross multiply
    7,243,862.60x = 10,865,793.90 × 4,374,081.20
  4. Step 4: Simplify right side
    7,243,862.60x = 47,527,864,821,064.69
  5. Step 5: Solve for x
    x = 47,527,864,821,064.69/7,243,862.60
  6. Step 6: Final answer
    x = 6,561,121.80

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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.