Home / 8,541,708.35-12,813,686.40-3,154,143.20

Finding the Fourth Proportional to 8,541,708.35, 12,813,686.40 and 3,154,143.20

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Solution

The fourth proportional to 8,541,708.35, 12,813,686.40 and 3,154,143.20 is: 4,731,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,708.35 : 12,813,686.40 = 3,154,143.20 : x
  2. Step 2: Convert to fraction form
    8,541,708.35/12,813,686.40 = 3,154,143.20/x
  3. Step 3: Cross multiply
    8,541,708.35x = 12,813,686.40 × 3,154,143.20
  4. Step 4: Simplify right side
    8,541,708.35x = 40,416,201,825,492.48
  5. Step 5: Solve for x
    x = 40,416,201,825,492.48/8,541,708.35
  6. Step 6: Final answer
    x = 4,731,629.81

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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.