Home / 8,474,125.80-12,711,188.70-2,792,980.20

Finding the Fourth Proportional to 8,474,125.80, 12,711,188.70 and 2,792,980.20

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Solution

The fourth proportional to 8,474,125.80, 12,711,188.70 and 2,792,980.20 is: 4,189,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,125.80 : 12,711,188.70 = 2,792,980.20 : x
  2. Step 2: Convert to fraction form
    8,474,125.80/12,711,188.70 = 2,792,980.20/x
  3. Step 3: Cross multiply
    8,474,125.80x = 12,711,188.70 × 2,792,980.20
  4. Step 4: Simplify right side
    8,474,125.80x = 35,502,098,357,563.74
  5. Step 5: Solve for x
    x = 35,502,098,357,563.74/8,474,125.80
  6. Step 6: Final answer
    x = 4,189,470.30

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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.