Home / 8,492,057.20-12,738,085.80-5,657,705.20

Finding the Fourth Proportional to 8,492,057.20, 12,738,085.80 and 5,657,705.20

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Solution

The fourth proportional to 8,492,057.20, 12,738,085.80 and 5,657,705.20 is: 8,486,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,057.20 : 12,738,085.80 = 5,657,705.20 : x
  2. Step 2: Convert to fraction form
    8,492,057.20/12,738,085.80 = 5,657,705.20/x
  3. Step 3: Cross multiply
    8,492,057.20x = 12,738,085.80 × 5,657,705.20
  4. Step 4: Simplify right side
    8,492,057.20x = 72,068,334,268,706.17
  5. Step 5: Solve for x
    x = 72,068,334,268,706.17/8,492,057.20
  6. Step 6: Final answer
    x = 8,486,557.80

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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.