Home / 28,541,450.27-39,387,226.50-15,488,708.91

Finding the Fourth Proportional to 28,541,450.27, 39,387,226.50 and 15,488,708.91

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Solution

The fourth proportional to 28,541,450.27, 39,387,226.50 and 15,488,708.91 is: 21,374,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,450.27 : 39,387,226.50 = 15,488,708.91 : x
  2. Step 2: Convert to fraction form
    28,541,450.27/39,387,226.50 = 15,488,708.91/x
  3. Step 3: Cross multiply
    28,541,450.27x = 39,387,226.50 × 15,488,708.91
  4. Step 4: Simplify right side
    28,541,450.27x = 610,057,286,030,738.12
  5. Step 5: Solve for x
    x = 610,057,286,030,738.12/28,541,450.27
  6. Step 6: Final answer
    x = 21,374,431.94

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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.