Home / 5,371,625.60-8,057,438.40-5,165,187.20

Finding the Fourth Proportional to 5,371,625.60, 8,057,438.40 and 5,165,187.20

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Solution

The fourth proportional to 5,371,625.60, 8,057,438.40 and 5,165,187.20 is: 7,747,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371,625.60 : 8,057,438.40 = 5,165,187.20 : x
  2. Step 2: Convert to fraction form
    5,371,625.60/8,057,438.40 = 5,165,187.20/x
  3. Step 3: Cross multiply
    5,371,625.60x = 8,057,438.40 × 5,165,187.20
  4. Step 4: Simplify right side
    5,371,625.60x = 41,618,177,688,468.48
  5. Step 5: Solve for x
    x = 41,618,177,688,468.48/5,371,625.60
  6. Step 6: Final answer
    x = 7,747,780.80

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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.