Home / 11,671,783.11-16,108,426.92-9,708,196.90

Finding the Fourth Proportional to 11,671,783.11, 16,108,426.92 and 9,708,196.90

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Solution

The fourth proportional to 11,671,783.11, 16,108,426.92 and 9,708,196.90 is: 13,398,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671,783.11 : 16,108,426.92 = 9,708,196.90 : x
  2. Step 2: Convert to fraction form
    11,671,783.11/16,108,426.92 = 9,708,196.90/x
  3. Step 3: Cross multiply
    11,671,783.11x = 16,108,426.92 × 9,708,196.90
  4. Step 4: Simplify right side
    11,671,783.11x = 156,383,780,288,620.56
  5. Step 5: Solve for x
    x = 156,383,780,288,620.56/11,671,783.11
  6. Step 6: Final answer
    x = 13,398,448.10

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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.