Home / 11,378,649.66-15,689,119.59-9,196,444.86

Finding the Fourth Proportional to 11,378,649.66, 15,689,119.59 and 9,196,444.86

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Solution

The fourth proportional to 11,378,649.66, 15,689,119.59 and 9,196,444.86 is: 12,680,250.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378,649.66 : 15,689,119.59 = 9,196,444.86 : x
  2. Step 2: Convert to fraction form
    11,378,649.66/15,689,119.59 = 9,196,444.86/x
  3. Step 3: Cross multiply
    11,378,649.66x = 15,689,119.59 × 9,196,444.86
  4. Step 4: Simplify right side
    11,378,649.66x = 144,284,123,211,380.78
  5. Step 5: Solve for x
    x = 144,284,123,211,380.78/11,378,649.66
  6. Step 6: Final answer
    x = 12,680,250.08

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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.