Home / 20,724,487.60-31,089,064.20-6,347,441.20

Finding the Fourth Proportional to 20,724,487.60, 31,089,064.20 and 6,347,441.20

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Solution

The fourth proportional to 20,724,487.60, 31,089,064.20 and 6,347,441.20 is: 9,521,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,487.60 : 31,089,064.20 = 6,347,441.20 : x
  2. Step 2: Convert to fraction form
    20,724,487.60/31,089,064.20 = 6,347,441.20/x
  3. Step 3: Cross multiply
    20,724,487.60x = 31,089,064.20 × 6,347,441.20
  4. Step 4: Simplify right side
    20,724,487.60x = 197,336,006,972,525.03
  5. Step 5: Solve for x
    x = 197,336,006,972,525.03/20,724,487.60
  6. Step 6: Final answer
    x = 9,521,876.28

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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.