Home / 8,492,025.70-12,738,038.55-5,657,673.70

Finding the Fourth Proportional to 8,492,025.70, 12,738,038.55 and 5,657,673.70

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Solution

The fourth proportional to 8,492,025.70, 12,738,038.55 and 5,657,673.70 is: 8,486,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,025.70 : 12,738,038.55 = 5,657,673.70 : x
  2. Step 2: Convert to fraction form
    8,492,025.70/12,738,038.55 = 5,657,673.70/x
  3. Step 3: Cross multiply
    8,492,025.70x = 12,738,038.55 × 5,657,673.70
  4. Step 4: Simplify right side
    8,492,025.70x = 72,067,665,693,921.14
  5. Step 5: Solve for x
    x = 72,067,665,693,921.14/8,492,025.70
  6. Step 6: Final answer
    x = 8,486,510.55

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Similar ratio
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1.5x scale

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.