Home / 6,120,581.70-9,180,872.55-5,459,232.90

Finding the Fourth Proportional to 6,120,581.70, 9,180,872.55 and 5,459,232.90

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Solution

The fourth proportional to 6,120,581.70, 9,180,872.55 and 5,459,232.90 is: 8,188,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,581.70 : 9,180,872.55 = 5,459,232.90 : x
  2. Step 2: Convert to fraction form
    6,120,581.70/9,180,872.55 = 5,459,232.90/x
  3. Step 3: Cross multiply
    6,120,581.70x = 9,180,872.55 × 5,459,232.90
  4. Step 4: Simplify right side
    6,120,581.70x = 50,120,521,475,666.91
  5. Step 5: Solve for x
    x = 50,120,521,475,666.91/6,120,581.70
  6. Step 6: Final answer
    x = 8,188,849.35

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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.