Home / 25,974,430.20-38,961,645.30-10,839,223.80

Finding the Fourth Proportional to 25,974,430.20, 38,961,645.30 and 10,839,223.80

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Solution

The fourth proportional to 25,974,430.20, 38,961,645.30 and 10,839,223.80 is: 16,258,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974,430.20 : 38,961,645.30 = 10,839,223.80 : x
  2. Step 2: Convert to fraction form
    25,974,430.20/38,961,645.30 = 10,839,223.80/x
  3. Step 3: Cross multiply
    25,974,430.20x = 38,961,645.30 × 10,839,223.80
  4. Step 4: Simplify right side
    25,974,430.20x = 422,313,993,022,918.12
  5. Step 5: Solve for x
    x = 422,313,993,022,918.12/25,974,430.20
  6. Step 6: Final answer
    x = 16,258,835.70

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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.