Home / 8,768,506.60-13,146,539.10-3,978,490.60

Finding the Fourth Proportional to 8,768,506.60, 13,146,539.10 and 3,978,490.60

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Solution

The fourth proportional to 8,768,506.60, 13,146,539.10 and 3,978,490.60 is: 5,964,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768,506.60 : 13,146,539.10 = 3,978,490.60 : x
  2. Step 2: Convert to fraction form
    8,768,506.60/13,146,539.10 = 3,978,490.60/x
  3. Step 3: Cross multiply
    8,768,506.60x = 13,146,539.10 × 3,978,490.60
  4. Step 4: Simplify right side
    8,768,506.60x = 52,303,382,231,882.46
  5. Step 5: Solve for x
    x = 52,303,382,231,882.46/8,768,506.60
  6. Step 6: Final answer
    x = 5,964,913.37

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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.