Home / 28,939,062.92-39,934,440.24-17,178,833.97

Finding the Fourth Proportional to 28,939,062.92, 39,934,440.24 and 17,178,833.97

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Solution

The fourth proportional to 28,939,062.92, 39,934,440.24 and 17,178,833.97 is: 23,705,920.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,062.92 : 39,934,440.24 = 17,178,833.97 : x
  2. Step 2: Convert to fraction form
    28,939,062.92/39,934,440.24 = 17,178,833.97/x
  3. Step 3: Cross multiply
    28,939,062.92x = 39,934,440.24 × 17,178,833.97
  4. Step 4: Simplify right side
    28,939,062.92x = 686,027,118,749,811.38
  5. Step 5: Solve for x
    x = 686,027,118,749,811.38/28,939,062.92
  6. Step 6: Final answer
    x = 23,705,920.29

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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.