Home / 20,750,401.70-31,130,268.15-6,374,132.90

Finding the Fourth Proportional to 20,750,401.70, 31,130,268.15 and 6,374,132.90

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Solution

The fourth proportional to 20,750,401.70, 31,130,268.15 and 6,374,132.90 is: 9,562,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,750,401.70 : 31,130,268.15 = 6,374,132.90 : x
  2. Step 2: Convert to fraction form
    20,750,401.70/31,130,268.15 = 6,374,132.90/x
  3. Step 3: Cross multiply
    20,750,401.70x = 31,130,268.15 × 6,374,132.90
  4. Step 4: Simplify right side
    20,750,401.70x = 198,428,466,400,737.12
  5. Step 5: Solve for x
    x = 198,428,466,400,737.12/20,750,401.70
  6. Step 6: Final answer
    x = 9,562,632.53

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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.