Home / 8,527,728.40-12,775,003.80-5,151,907.60

Finding the Fourth Proportional to 8,527,728.40, 12,775,003.80 and 5,151,907.60

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Solution

The fourth proportional to 8,527,728.40, 12,775,003.80 and 5,151,907.60 is: 7,717,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527,728.40 : 12,775,003.80 = 5,151,907.60 : x
  2. Step 2: Convert to fraction form
    8,527,728.40/12,775,003.80 = 5,151,907.60/x
  3. Step 3: Cross multiply
    8,527,728.40x = 12,775,003.80 × 5,151,907.60
  4. Step 4: Simplify right side
    8,527,728.40x = 65,815,639,167,248.88
  5. Step 5: Solve for x
    x = 65,815,639,167,248.88/8,527,728.40
  6. Step 6: Final answer
    x = 7,717,839.51

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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.