Home / 7,275,728.40-10,897,846.20-3,905,998.80

Finding the Fourth Proportional to 7,275,728.40, 10,897,846.20 and 3,905,998.80

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Solution

The fourth proportional to 7,275,728.40, 10,897,846.20 and 3,905,998.80 is: 5,850,544.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275,728.40 : 10,897,846.20 = 3,905,998.80 : x
  2. Step 2: Convert to fraction form
    7,275,728.40/10,897,846.20 = 3,905,998.80/x
  3. Step 3: Cross multiply
    7,275,728.40x = 10,897,846.20 × 3,905,998.80
  4. Step 4: Simplify right side
    7,275,728.40x = 42,566,974,179,784.55
  5. Step 5: Solve for x
    x = 42,566,974,179,784.55/7,275,728.40
  6. Step 6: Final answer
    x = 5,850,544.69

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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.