Home / 8,231,315.80-12,346,973.70-2,553,280.60

Finding the Fourth Proportional to 8,231,315.80, 12,346,973.70 and 2,553,280.60

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Solution

The fourth proportional to 8,231,315.80, 12,346,973.70 and 2,553,280.60 is: 3,829,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231,315.80 : 12,346,973.70 = 2,553,280.60 : x
  2. Step 2: Convert to fraction form
    8,231,315.80/12,346,973.70 = 2,553,280.60/x
  3. Step 3: Cross multiply
    8,231,315.80x = 12,346,973.70 × 2,553,280.60
  4. Step 4: Simplify right side
    8,231,315.80x = 31,525,288,416,920.22
  5. Step 5: Solve for x
    x = 31,525,288,416,920.22/8,231,315.80
  6. Step 6: Final answer
    x = 3,829,920.90

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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.