Home / 38,165,053.86-52,667,733.63-20,761,358.04

Finding the Fourth Proportional to 38,165,053.86, 52,667,733.63 and 20,761,358.04

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Solution

The fourth proportional to 38,165,053.86, 52,667,733.63 and 20,761,358.04 is: 28,650,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165,053.86 : 52,667,733.63 = 20,761,358.04 : x
  2. Step 2: Convert to fraction form
    38,165,053.86/52,667,733.63 = 20,761,358.04/x
  3. Step 3: Cross multiply
    38,165,053.86x = 52,667,733.63 × 20,761,358.04
  4. Step 4: Simplify right side
    38,165,053.86x = 1,093,453,675,047,778.88
  5. Step 5: Solve for x
    x = 1,093,453,675,047,778.88/38,165,053.86
  6. Step 6: Final answer
    x = 28,650,651.96

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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.