Home / 8,538,209.04-12,786,789.12-4,883,863.20

Finding the Fourth Proportional to 8,538,209.04, 12,786,789.12 and 4,883,863.20

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Solution

The fourth proportional to 8,538,209.04, 12,786,789.12 and 4,883,863.20 is: 7,314,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,209.04 : 12,786,789.12 = 4,883,863.20 : x
  2. Step 2: Convert to fraction form
    8,538,209.04/12,786,789.12 = 4,883,863.20/x
  3. Step 3: Cross multiply
    8,538,209.04x = 12,786,789.12 × 4,883,863.20
  4. Step 4: Simplify right side
    8,538,209.04x = 62,448,928,829,328.38
  5. Step 5: Solve for x
    x = 62,448,928,829,328.38/8,538,209.04
  6. Step 6: Final answer
    x = 7,314,054.80

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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.