Home / 8,455,538.40-12,673,976.40-4,671,736.80

Finding the Fourth Proportional to 8,455,538.40, 12,673,976.40 and 4,671,736.80

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Solution

The fourth proportional to 8,455,538.40, 12,673,976.40 and 4,671,736.80 is: 7,002,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,538.40 : 12,673,976.40 = 4,671,736.80 : x
  2. Step 2: Convert to fraction form
    8,455,538.40/12,673,976.40 = 4,671,736.80/x
  3. Step 3: Cross multiply
    8,455,538.40x = 12,673,976.40 × 4,671,736.80
  4. Step 4: Simplify right side
    8,455,538.40x = 59,209,481,950,211.52
  5. Step 5: Solve for x
    x = 59,209,481,950,211.52/8,455,538.40
  6. Step 6: Final answer
    x = 7,002,449.65

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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.