Home / 27,489,426.92-37,936,064.11-15,099,779.86

Finding the Fourth Proportional to 27,489,426.92, 37,936,064.11 and 15,099,779.86

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Solution

The fourth proportional to 27,489,426.92, 37,936,064.11 and 15,099,779.86 is: 20,838,055.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,489,426.92 : 37,936,064.11 = 15,099,779.86 : x
  2. Step 2: Convert to fraction form
    27,489,426.92/37,936,064.11 = 15,099,779.86/x
  3. Step 3: Cross multiply
    27,489,426.92x = 37,936,064.11 × 15,099,779.86
  4. Step 4: Simplify right side
    27,489,426.92x = 572,826,216,815,846.75
  5. Step 5: Solve for x
    x = 572,826,216,815,846.75/27,489,426.92
  6. Step 6: Final answer
    x = 20,838,055.97

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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.