Home / 12,240,700.44-18,360,386.21-3,720,372.61

Finding the Fourth Proportional to 12,240,700.44, 18,360,386.21 and 3,720,372.61

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Solution

The fourth proportional to 12,240,700.44, 18,360,386.21 and 3,720,372.61 is: 5,580,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,700.44 : 18,360,386.21 = 3,720,372.61 : x
  2. Step 2: Convert to fraction form
    12,240,700.44/18,360,386.21 = 3,720,372.61/x
  3. Step 3: Cross multiply
    12,240,700.44x = 18,360,386.21 × 3,720,372.61
  4. Step 4: Simplify right side
    12,240,700.44x = 68,307,477,900,202.88
  5. Step 5: Solve for x
    x = 68,307,477,900,202.88/12,240,700.44
  6. Step 6: Final answer
    x = 5,580,356.96

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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.