Home / 8,313,881.40-12,474,969.30-4,722,406.20

Finding the Fourth Proportional to 8,313,881.40, 12,474,969.30 and 4,722,406.20

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Solution

The fourth proportional to 8,313,881.40, 12,474,969.30 and 4,722,406.20 is: 7,085,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313,881.40 : 12,474,969.30 = 4,722,406.20 : x
  2. Step 2: Convert to fraction form
    8,313,881.40/12,474,969.30 = 4,722,406.20/x
  3. Step 3: Cross multiply
    8,313,881.40x = 12,474,969.30 × 4,722,406.20
  4. Step 4: Simplify right side
    8,313,881.40x = 58,911,872,367,129.66
  5. Step 5: Solve for x
    x = 58,911,872,367,129.66/8,313,881.40
  6. Step 6: Final answer
    x = 7,085,964.97

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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.