Home / 20,980,080.46-28,742,812.76-20,193,752.83

Finding the Fourth Proportional to 20,980,080.46, 28,742,812.76 and 20,193,752.83

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Solution

The fourth proportional to 20,980,080.46, 28,742,812.76 and 20,193,752.83 is: 27,665,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,980,080.46 : 28,742,812.76 = 20,193,752.83 : x
  2. Step 2: Convert to fraction form
    20,980,080.46/28,742,812.76 = 20,193,752.83/x
  3. Step 3: Cross multiply
    20,980,080.46x = 28,742,812.76 × 20,193,752.83
  4. Step 4: Simplify right side
    20,980,080.46x = 580,425,256,514,410.12
  5. Step 5: Solve for x
    x = 580,425,256,514,410.12/20,980,080.46
  6. Step 6: Final answer
    x = 27,665,540.06

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.