Home / 12,227,920.40-18,343,630.20-3,708,923.60

Finding the Fourth Proportional to 12,227,920.40, 18,343,630.20 and 3,708,923.60

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Solution

The fourth proportional to 12,227,920.40, 18,343,630.20 and 3,708,923.60 is: 5,563,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227,920.40 : 18,343,630.20 = 3,708,923.60 : x
  2. Step 2: Convert to fraction form
    12,227,920.40/18,343,630.20 = 3,708,923.60/x
  3. Step 3: Cross multiply
    12,227,920.40x = 18,343,630.20 × 3,708,923.60
  4. Step 4: Simplify right side
    12,227,920.40x = 68,035,122,958,452.72
  5. Step 5: Solve for x
    x = 68,035,122,958,452.72/12,227,920.40
  6. Step 6: Final answer
    x = 5,563,916.08

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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.