Home / 11,763,947.20-17,645,920.80-7,732,868.80

Finding the Fourth Proportional to 11,763,947.20, 17,645,920.80 and 7,732,868.80

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Solution

The fourth proportional to 11,763,947.20, 17,645,920.80 and 7,732,868.80 is: 11,599,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763,947.20 : 17,645,920.80 = 7,732,868.80 : x
  2. Step 2: Convert to fraction form
    11,763,947.20/17,645,920.80 = 7,732,868.80/x
  3. Step 3: Cross multiply
    11,763,947.20x = 17,645,920.80 × 7,732,868.80
  4. Step 4: Simplify right side
    11,763,947.20x = 136,453,590,401,591.05
  5. Step 5: Solve for x
    x = 136,453,590,401,591.05/11,763,947.20
  6. Step 6: Final answer
    x = 11,599,303.20

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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.