Home / 6,870,860.80-10,306,291.20-5,281,446.40

Finding the Fourth Proportional to 6,870,860.80, 10,306,291.20 and 5,281,446.40

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Solution

The fourth proportional to 6,870,860.80, 10,306,291.20 and 5,281,446.40 is: 7,922,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,860.80 : 10,306,291.20 = 5,281,446.40 : x
  2. Step 2: Convert to fraction form
    6,870,860.80/10,306,291.20 = 5,281,446.40/x
  3. Step 3: Cross multiply
    6,870,860.80x = 10,306,291.20 × 5,281,446.40
  4. Step 4: Simplify right side
    6,870,860.80x = 54,432,124,555,591.68
  5. Step 5: Solve for x
    x = 54,432,124,555,591.68/6,870,860.80
  6. Step 6: Final answer
    x = 7,922,169.60

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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.