Home / 12,089,876.76-18,137,208.28-3,454,050.68

Finding the Fourth Proportional to 12,089,876.76, 18,137,208.28 and 3,454,050.68

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Solution

The fourth proportional to 12,089,876.76, 18,137,208.28 and 3,454,050.68 is: 5,181,759.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,876.76 : 18,137,208.28 = 3,454,050.68 : x
  2. Step 2: Convert to fraction form
    12,089,876.76/18,137,208.28 = 3,454,050.68/x
  3. Step 3: Cross multiply
    12,089,876.76x = 18,137,208.28 × 3,454,050.68
  4. Step 4: Simplify right side
    12,089,876.76x = 62,646,836,592,835.64
  5. Step 5: Solve for x
    x = 62,646,836,592,835.64/12,089,876.76
  6. Step 6: Final answer
    x = 5,181,759.73

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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.