Home / 28,928,423.09-39,918,585.43-17,165,664.65

Finding the Fourth Proportional to 28,928,423.09, 39,918,585.43 and 17,165,664.65

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Solution

The fourth proportional to 28,928,423.09, 39,918,585.43 and 17,165,664.65 is: 23,687,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928,423.09 : 39,918,585.43 = 17,165,664.65 : x
  2. Step 2: Convert to fraction form
    28,928,423.09/39,918,585.43 = 17,165,664.65/x
  3. Step 3: Cross multiply
    28,928,423.09x = 39,918,585.43 × 17,165,664.65
  4. Step 4: Simplify right side
    28,928,423.09x = 685,229,050,793,756
  5. Step 5: Solve for x
    x = 685,229,050,793,756/28,928,423.09
  6. Step 6: Final answer
    x = 23,687,051.61

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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.