Home / 8,492,039.70-12,738,059.55-5,657,687.70

Finding the Fourth Proportional to 8,492,039.70, 12,738,059.55 and 5,657,687.70

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Solution

The fourth proportional to 8,492,039.70, 12,738,059.55 and 5,657,687.70 is: 8,486,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,039.70 : 12,738,059.55 = 5,657,687.70 : x
  2. Step 2: Convert to fraction form
    8,492,039.70/12,738,059.55 = 5,657,687.70/x
  3. Step 3: Cross multiply
    8,492,039.70x = 12,738,059.55 × 5,657,687.70
  4. Step 4: Simplify right side
    8,492,039.70x = 72,067,962,837,902.55
  5. Step 5: Solve for x
    x = 72,067,962,837,902.55/8,492,039.70
  6. Step 6: Final answer
    x = 8,486,531.55

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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.