Home / 26,911,056.60-40,372,489.80-8,712,154.80

Finding the Fourth Proportional to 26,911,056.60, 40,372,489.80 and 8,712,154.80

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Solution

The fourth proportional to 26,911,056.60, 40,372,489.80 and 8,712,154.80 is: 13,070,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911,056.60 : 40,372,489.80 = 8,712,154.80 : x
  2. Step 2: Convert to fraction form
    26,911,056.60/40,372,489.80 = 8,712,154.80/x
  3. Step 3: Cross multiply
    26,911,056.60x = 40,372,489.80 × 8,712,154.80
  4. Step 4: Simplify right side
    26,911,056.60x = 351,731,380,799,021.06
  5. Step 5: Solve for x
    x = 351,731,380,799,021.06/26,911,056.60
  6. Step 6: Final answer
    x = 13,070,143.85

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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.