Home / 6,439,977.70-9,659,966.55-4,172,496.10

Finding the Fourth Proportional to 6,439,977.70, 9,659,966.55 and 4,172,496.10

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Solution

The fourth proportional to 6,439,977.70, 9,659,966.55 and 4,172,496.10 is: 6,258,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,977.70 : 9,659,966.55 = 4,172,496.10 : x
  2. Step 2: Convert to fraction form
    6,439,977.70/9,659,966.55 = 4,172,496.10/x
  3. Step 3: Cross multiply
    6,439,977.70x = 9,659,966.55 × 4,172,496.10
  4. Step 4: Simplify right side
    6,439,977.70x = 40,306,172,756,005.46
  5. Step 5: Solve for x
    x = 40,306,172,756,005.46/6,439,977.70
  6. Step 6: Final answer
    x = 6,258,744.15

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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.