Home / 12,169,921.38-16,793,852.22-6,662,240.76

Finding the Fourth Proportional to 12,169,921.38, 16,793,852.22 and 6,662,240.76

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Solution

The fourth proportional to 12,169,921.38, 16,793,852.22 and 6,662,240.76 is: 9,193,542.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169,921.38 : 16,793,852.22 = 6,662,240.76 : x
  2. Step 2: Convert to fraction form
    12,169,921.38/16,793,852.22 = 6,662,240.76/x
  3. Step 3: Cross multiply
    12,169,921.38x = 16,793,852.22 × 6,662,240.76
  4. Step 4: Simplify right side
    12,169,921.38x = 111,884,686,777,500.47
  5. Step 5: Solve for x
    x = 111,884,686,777,500.47/12,169,921.38
  6. Step 6: Final answer
    x = 9,193,542.28

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1.5x scale

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.