Home / 7,243,861.60-10,865,792.40-4,374,080.20

Finding the Fourth Proportional to 7,243,861.60, 10,865,792.40 and 4,374,080.20

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Solution

The fourth proportional to 7,243,861.60, 10,865,792.40 and 4,374,080.20 is: 6,561,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,861.60 : 10,865,792.40 = 4,374,080.20 : x
  2. Step 2: Convert to fraction form
    7,243,861.60/10,865,792.40 = 4,374,080.20/x
  3. Step 3: Cross multiply
    7,243,861.60x = 10,865,792.40 × 4,374,080.20
  4. Step 4: Simplify right side
    7,243,861.60x = 47,527,847,394,150.48
  5. Step 5: Solve for x
    x = 47,527,847,394,150.48/7,243,861.60
  6. Step 6: Final answer
    x = 6,561,120.30

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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.