Home / 10,691,881.40-16,002,392.70-9,841,575.80

Finding the Fourth Proportional to 10,691,881.40, 16,002,392.70 and 9,841,575.80

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Solution

The fourth proportional to 10,691,881.40, 16,002,392.70 and 9,841,575.80 is: 14,729,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,881.40 : 16,002,392.70 = 9,841,575.80 : x
  2. Step 2: Convert to fraction form
    10,691,881.40/16,002,392.70 = 9,841,575.80/x
  3. Step 3: Cross multiply
    10,691,881.40x = 16,002,392.70 × 9,841,575.80
  4. Step 4: Simplify right side
    10,691,881.40x = 157,488,760,738,416.66
  5. Step 5: Solve for x
    x = 157,488,760,738,416.66/10,691,881.40
  6. Step 6: Final answer
    x = 14,729,751.93

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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.