Home / 39,889,432.60-59,836,117.20-20,757,556.60

Finding the Fourth Proportional to 39,889,432.60, 59,836,117.20 and 20,757,556.60

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Solution

The fourth proportional to 39,889,432.60, 59,836,117.20 and 20,757,556.60 is: 31,137,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889,432.60 : 59,836,117.20 = 20,757,556.60 : x
  2. Step 2: Convert to fraction form
    39,889,432.60/59,836,117.20 = 20,757,556.60/x
  3. Step 3: Cross multiply
    39,889,432.60x = 59,836,117.20 × 20,757,556.60
  4. Step 4: Simplify right side
    39,889,432.60x = 1,242,051,589,503,233.75
  5. Step 5: Solve for x
    x = 1,242,051,589,503,233.75/39,889,432.60
  6. Step 6: Final answer
    x = 31,137,359.16

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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.