Home / 12,096,836.20-18,124,259.10-7,834,810.60

Finding the Fourth Proportional to 12,096,836.20, 18,124,259.10 and 7,834,810.60

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Solution

The fourth proportional to 12,096,836.20, 18,124,259.10 and 7,834,810.60 is: 11,738,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,836.20 : 18,124,259.10 = 7,834,810.60 : x
  2. Step 2: Convert to fraction form
    12,096,836.20/18,124,259.10 = 7,834,810.60/x
  3. Step 3: Cross multiply
    12,096,836.20x = 18,124,259.10 × 7,834,810.60
  4. Step 4: Simplify right side
    12,096,836.20x = 142,000,137,313,826.47
  5. Step 5: Solve for x
    x = 142,000,137,313,826.47/12,096,836.20
  6. Step 6: Final answer
    x = 11,738,617.85

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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.