Home / 28,840,872.69-39,800,401.33-15,610,047.32

Finding the Fourth Proportional to 28,840,872.69, 39,800,401.33 and 15,610,047.32

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Solution

The fourth proportional to 28,840,872.69, 39,800,401.33 and 15,610,047.32 is: 21,541,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840,872.69 : 39,800,401.33 = 15,610,047.32 : x
  2. Step 2: Convert to fraction form
    28,840,872.69/39,800,401.33 = 15,610,047.32/x
  3. Step 3: Cross multiply
    28,840,872.69x = 39,800,401.33 × 15,610,047.32
  4. Step 4: Simplify right side
    28,840,872.69x = 621,286,147,982,142.75
  5. Step 5: Solve for x
    x = 621,286,147,982,142.75/28,840,872.69
  6. Step 6: Final answer
    x = 21,541,863.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.