Home / 13,260,530.80-19,879,132.20-8,986,841.20

Finding the Fourth Proportional to 13,260,530.80, 19,879,132.20 and 8,986,841.20

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Solution

The fourth proportional to 13,260,530.80, 19,879,132.20 and 8,986,841.20 is: 13,472,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260,530.80 : 19,879,132.20 = 8,986,841.20 : x
  2. Step 2: Convert to fraction form
    13,260,530.80/19,879,132.20 = 8,986,841.20/x
  3. Step 3: Cross multiply
    13,260,530.80x = 19,879,132.20 × 8,986,841.20
  4. Step 4: Simplify right side
    13,260,530.80x = 178,650,604,275,206.62
  5. Step 5: Solve for x
    x = 178,650,604,275,206.62/13,260,530.80
  6. Step 6: Final answer
    x = 13,472,356.95

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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.