Home / 7,679,821.82-10,598,046.48-4,195,119.20

Finding the Fourth Proportional to 7,679,821.82, 10,598,046.48 and 4,195,119.20

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Solution

The fourth proportional to 7,679,821.82, 10,598,046.48 and 4,195,119.20 is: 5,789,205.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,821.82 : 10,598,046.48 = 4,195,119.20 : x
  2. Step 2: Convert to fraction form
    7,679,821.82/10,598,046.48 = 4,195,119.20/x
  3. Step 3: Cross multiply
    7,679,821.82x = 10,598,046.48 × 4,195,119.20
  4. Step 4: Simplify right side
    7,679,821.82x = 44,460,068,217,750.19
  5. Step 5: Solve for x
    x = 44,460,068,217,750.19/7,679,821.82
  6. Step 6: Final answer
    x = 5,789,205.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.