Home / 8,799,021.80-13,198,532.70-7,381,845.80

Finding the Fourth Proportional to 8,799,021.80, 13,198,532.70 and 7,381,845.80

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Solution

The fourth proportional to 8,799,021.80, 13,198,532.70 and 7,381,845.80 is: 11,072,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799,021.80 : 13,198,532.70 = 7,381,845.80 : x
  2. Step 2: Convert to fraction form
    8,799,021.80/13,198,532.70 = 7,381,845.80/x
  3. Step 3: Cross multiply
    8,799,021.80x = 13,198,532.70 × 7,381,845.80
  4. Step 4: Simplify right side
    8,799,021.80x = 97,429,533,177,657.66
  5. Step 5: Solve for x
    x = 97,429,533,177,657.66/8,799,021.80
  6. Step 6: Final answer
    x = 11,072,768.70

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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.