Home / 12,833,909.20-19,250,155.32-4,313,365.84

Finding the Fourth Proportional to 12,833,909.20, 19,250,155.32 and 4,313,365.84

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Solution

The fourth proportional to 12,833,909.20, 19,250,155.32 and 4,313,365.84 is: 6,469,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833,909.20 : 19,250,155.32 = 4,313,365.84 : x
  2. Step 2: Convert to fraction form
    12,833,909.20/19,250,155.32 = 4,313,365.84/x
  3. Step 3: Cross multiply
    12,833,909.20x = 19,250,155.32 × 4,313,365.84
  4. Step 4: Simplify right side
    12,833,909.20x = 83,032,962,371,982.27
  5. Step 5: Solve for x
    x = 83,032,962,371,982.27/12,833,909.20
  6. Step 6: Final answer
    x = 6,469,810.65

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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.