Home / 19,187,962.92-28,778,790.96-6,889,380.26

Finding the Fourth Proportional to 19,187,962.92, 28,778,790.96 and 6,889,380.26

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Solution

The fourth proportional to 19,187,962.92, 28,778,790.96 and 6,889,380.26 is: 10,332,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187,962.92 : 28,778,790.96 = 6,889,380.26 : x
  2. Step 2: Convert to fraction form
    19,187,962.92/28,778,790.96 = 6,889,380.26/x
  3. Step 3: Cross multiply
    19,187,962.92x = 28,778,790.96 × 6,889,380.26
  4. Step 4: Simplify right side
    19,187,962.92x = 198,268,034,202,596.50
  5. Step 5: Solve for x
    x = 198,268,034,202,596.50/19,187,962.92
  6. Step 6: Final answer
    x = 10,332,938.16

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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.