Home / 8,646,329.31-12,969,287.15-2,810,507.69

Finding the Fourth Proportional to 8,646,329.31, 12,969,287.15 and 2,810,507.69

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Solution

The fourth proportional to 8,646,329.31, 12,969,287.15 and 2,810,507.69 is: 4,215,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646,329.31 : 12,969,287.15 = 2,810,507.69 : x
  2. Step 2: Convert to fraction form
    8,646,329.31/12,969,287.15 = 2,810,507.69/x
  3. Step 3: Cross multiply
    8,646,329.31x = 12,969,287.15 × 2,810,507.69
  4. Step 4: Simplify right side
    8,646,329.31x = 36,450,281,189,994.21
  5. Step 5: Solve for x
    x = 36,450,281,189,994.21/8,646,329.31
  6. Step 6: Final answer
    x = 4,215,694.30

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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.