Home / 7,074,555.20-10,602,647.40-3,279,964.40

Finding the Fourth Proportional to 7,074,555.20, 10,602,647.40 and 3,279,964.40

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Solution

The fourth proportional to 7,074,555.20, 10,602,647.40 and 3,279,964.40 is: 4,915,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074,555.20 : 10,602,647.40 = 3,279,964.40 : x
  2. Step 2: Convert to fraction form
    7,074,555.20/10,602,647.40 = 3,279,964.40/x
  3. Step 3: Cross multiply
    7,074,555.20x = 10,602,647.40 × 3,279,964.40
  4. Step 4: Simplify right side
    7,074,555.20x = 34,776,306,017,752.56
  5. Step 5: Solve for x
    x = 34,776,306,017,752.56/7,074,555.20
  6. Step 6: Final answer
    x = 4,915,687.99

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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.