Home / 10,391,885.30-15,585,990.51-2,819,441.30

Finding the Fourth Proportional to 10,391,885.30, 15,585,990.51 and 2,819,441.30

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Solution

The fourth proportional to 10,391,885.30, 15,585,990.51 and 2,819,441.30 is: 4,228,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391,885.30 : 15,585,990.51 = 2,819,441.30 : x
  2. Step 2: Convert to fraction form
    10,391,885.30/15,585,990.51 = 2,819,441.30/x
  3. Step 3: Cross multiply
    10,391,885.30x = 15,585,990.51 × 2,819,441.30
  4. Step 4: Simplify right side
    10,391,885.30x = 43,943,785,345,302.06
  5. Step 5: Solve for x
    x = 43,943,785,345,302.06/10,391,885.30
  6. Step 6: Final answer
    x = 4,228,663.43

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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.