Home / 28,740,080.06-43,109,714.05-13,378,777.96

Finding the Fourth Proportional to 28,740,080.06, 43,109,714.05 and 13,378,777.96

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Solution

The fourth proportional to 28,740,080.06, 43,109,714.05 and 13,378,777.96 is: 20,067,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,080.06 : 43,109,714.05 = 13,378,777.96 : x
  2. Step 2: Convert to fraction form
    28,740,080.06/43,109,714.05 = 13,378,777.96/x
  3. Step 3: Cross multiply
    28,740,080.06x = 43,109,714.05 × 13,378,777.96
  4. Step 4: Simplify right side
    28,740,080.06x = 576,755,292,050,048.38
  5. Step 5: Solve for x
    x = 576,755,292,050,048.38/28,740,080.06
  6. Step 6: Final answer
    x = 20,067,977.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.