Home / 38,335,379.76-52,904,965.68-20,933,339.76

Finding the Fourth Proportional to 38,335,379.76, 52,904,965.68 and 20,933,339.76

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Solution

The fourth proportional to 38,335,379.76, 52,904,965.68 and 20,933,339.76 is: 28,889,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335,379.76 : 52,904,965.68 = 20,933,339.76 : x
  2. Step 2: Convert to fraction form
    38,335,379.76/52,904,965.68 = 20,933,339.76/x
  3. Step 3: Cross multiply
    38,335,379.76x = 52,904,965.68 × 20,933,339.76
  4. Step 4: Simplify right side
    38,335,379.76x = 1,107,477,621,570,579.50
  5. Step 5: Solve for x
    x = 1,107,477,621,570,579.50/38,335,379.76
  6. Step 6: Final answer
    x = 28,889,178.31

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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.