Home / 8,378,108.28-12,586,080.28-4,968,631.16

Finding the Fourth Proportional to 8,378,108.28, 12,586,080.28 and 4,968,631.16

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Solution

The fourth proportional to 8,378,108.28, 12,586,080.28 and 4,968,631.16 is: 7,464,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378,108.28 : 12,586,080.28 = 4,968,631.16 : x
  2. Step 2: Convert to fraction form
    8,378,108.28/12,586,080.28 = 4,968,631.16/x
  3. Step 3: Cross multiply
    8,378,108.28x = 12,586,080.28 × 4,968,631.16
  4. Step 4: Simplify right side
    8,378,108.28x = 62,535,590,661,469.52
  5. Step 5: Solve for x
    x = 62,535,590,661,469.52/8,378,108.28
  6. Step 6: Final answer
    x = 7,464,165.96

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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.