Home / 11,962,247.40-17,943,371.10-8,749,981.80

Finding the Fourth Proportional to 11,962,247.40, 17,943,371.10 and 8,749,981.80

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Solution

The fourth proportional to 11,962,247.40, 17,943,371.10 and 8,749,981.80 is: 13,124,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962,247.40 : 17,943,371.10 = 8,749,981.80 : x
  2. Step 2: Convert to fraction form
    11,962,247.40/17,943,371.10 = 8,749,981.80/x
  3. Step 3: Cross multiply
    11,962,247.40x = 17,943,371.10 × 8,749,981.80
  4. Step 4: Simplify right side
    11,962,247.40x = 157,004,170,555,646
  5. Step 5: Solve for x
    x = 157,004,170,555,646/11,962,247.40
  6. Step 6: Final answer
    x = 13,124,972.70

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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.