Home / 7,836,418.30-11,754,627.45-2,079,140.80

Finding the Fourth Proportional to 7,836,418.30, 11,754,627.45 and 2,079,140.80

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Solution

The fourth proportional to 7,836,418.30, 11,754,627.45 and 2,079,140.80 is: 3,118,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836,418.30 : 11,754,627.45 = 2,079,140.80 : x
  2. Step 2: Convert to fraction form
    7,836,418.30/11,754,627.45 = 2,079,140.80/x
  3. Step 3: Cross multiply
    7,836,418.30x = 11,754,627.45 × 2,079,140.80
  4. Step 4: Simplify right side
    7,836,418.30x = 24,439,525,520,094.96
  5. Step 5: Solve for x
    x = 24,439,525,520,094.96/7,836,418.30
  6. Step 6: Final answer
    x = 3,118,711.20

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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.