Home / 9,028,981.32-13,543,209.54-2,639,383.80

Finding the Fourth Proportional to 9,028,981.32, 13,543,209.54 and 2,639,383.80

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Solution

The fourth proportional to 9,028,981.32, 13,543,209.54 and 2,639,383.80 is: 3,958,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028,981.32 : 13,543,209.54 = 2,639,383.80 : x
  2. Step 2: Convert to fraction form
    9,028,981.32/13,543,209.54 = 2,639,383.80/x
  3. Step 3: Cross multiply
    9,028,981.32x = 13,543,209.54 × 2,639,383.80
  4. Step 4: Simplify right side
    9,028,981.32x = 35,745,727,859,881.45
  5. Step 5: Solve for x
    x = 35,745,727,859,881.45/9,028,981.32
  6. Step 6: Final answer
    x = 3,958,998.98

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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.