Home / 5,399,990.40-8,102,059.20-5,314,972.80

Finding the Fourth Proportional to 5,399,990.40, 8,102,059.20 and 5,314,972.80

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Solution

The fourth proportional to 5,399,990.40, 8,102,059.20 and 5,314,972.80 is: 7,974,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399,990.40 : 8,102,059.20 = 5,314,972.80 : x
  2. Step 2: Convert to fraction form
    5,399,990.40/8,102,059.20 = 5,314,972.80/x
  3. Step 3: Cross multiply
    5,399,990.40x = 8,102,059.20 × 5,314,972.80
  4. Step 4: Simplify right side
    5,399,990.40x = 43,062,224,271,989.76
  5. Step 5: Solve for x
    x = 43,062,224,271,989.76/5,399,990.40
  6. Step 6: Final answer
    x = 7,974,500.15

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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.