Home / 11,108,620.80-16,662,931.20-9,691,444.80

Finding the Fourth Proportional to 11,108,620.80, 16,662,931.20 and 9,691,444.80

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Solution

The fourth proportional to 11,108,620.80, 16,662,931.20 and 9,691,444.80 is: 14,537,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108,620.80 : 16,662,931.20 = 9,691,444.80 : x
  2. Step 2: Convert to fraction form
    11,108,620.80/16,662,931.20 = 9,691,444.80/x
  3. Step 3: Cross multiply
    11,108,620.80x = 16,662,931.20 × 9,691,444.80
  4. Step 4: Simplify right side
    11,108,620.80x = 161,487,877,930,997.75
  5. Step 5: Solve for x
    x = 161,487,877,930,997.75/11,108,620.80
  6. Step 6: Final answer
    x = 14,537,167.20

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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.