Home / 12,949,269.20-19,439,650.20-6,556,230.80

Finding the Fourth Proportional to 12,949,269.20, 19,439,650.20 and 6,556,230.80

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Solution

The fourth proportional to 12,949,269.20, 19,439,650.20 and 6,556,230.80 is: 9,842,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,269.20 : 19,439,650.20 = 6,556,230.80 : x
  2. Step 2: Convert to fraction form
    12,949,269.20/19,439,650.20 = 6,556,230.80/x
  3. Step 3: Cross multiply
    12,949,269.20x = 19,439,650.20 × 6,556,230.80
  4. Step 4: Simplify right side
    12,949,269.20x = 127,450,833,382,466.16
  5. Step 5: Solve for x
    x = 127,450,833,382,466.16/12,949,269.20
  6. Step 6: Final answer
    x = 9,842,318.62

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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.