Home / 7,868,251.60-11,802,766.20-4,089,115.60

Finding the Fourth Proportional to 7,868,251.60, 11,802,766.20 and 4,089,115.60

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Solution

The fourth proportional to 7,868,251.60, 11,802,766.20 and 4,089,115.60 is: 6,133,875.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868,251.60 : 11,802,766.20 = 4,089,115.60 : x
  2. Step 2: Convert to fraction form
    7,868,251.60/11,802,766.20 = 4,089,115.60/x
  3. Step 3: Cross multiply
    7,868,251.60x = 11,802,766.20 × 4,089,115.60
  4. Step 4: Simplify right side
    7,868,251.60x = 48,262,875,391,572.72
  5. Step 5: Solve for x
    x = 48,262,875,391,572.72/7,868,251.60
  6. Step 6: Final answer
    x = 6,133,875.46

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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.