Home / 12,162,971.16-16,785,049.50-6,730,968.60

Finding the Fourth Proportional to 12,162,971.16, 16,785,049.50 and 6,730,968.60

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Solution

The fourth proportional to 12,162,971.16, 16,785,049.50 and 6,730,968.60 is: 9,288,819.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,971.16 : 16,785,049.50 = 6,730,968.60 : x
  2. Step 2: Convert to fraction form
    12,162,971.16/16,785,049.50 = 6,730,968.60/x
  3. Step 3: Cross multiply
    12,162,971.16x = 16,785,049.50 × 6,730,968.60
  4. Step 4: Simplify right side
    12,162,971.16x = 112,979,641,133,945.69
  5. Step 5: Solve for x
    x = 112,979,641,133,945.69/12,162,971.16
  6. Step 6: Final answer
    x = 9,288,819.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.