Home / 12,240,699.55-18,360,384.87-3,720,371.72

Finding the Fourth Proportional to 12,240,699.55, 18,360,384.87 and 3,720,371.72

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Solution

The fourth proportional to 12,240,699.55, 18,360,384.87 and 3,720,371.72 is: 5,580,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,699.55 : 18,360,384.87 = 3,720,371.72 : x
  2. Step 2: Convert to fraction form
    12,240,699.55/18,360,384.87 = 3,720,371.72/x
  3. Step 3: Cross multiply
    12,240,699.55x = 18,360,384.87 × 3,720,371.72
  4. Step 4: Simplify right side
    12,240,699.55x = 68,307,456,591,524.84
  5. Step 5: Solve for x
    x = 68,307,456,591,524.84/12,240,699.55
  6. Step 6: Final answer
    x = 5,580,355.63

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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.