Home / 20,712,247.24-28,595,162.04-18,414,060.16

Finding the Fourth Proportional to 20,712,247.24, 28,595,162.04 and 18,414,060.16

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Solution

The fourth proportional to 20,712,247.24, 28,595,162.04 and 18,414,060.16 is: 25,422,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712,247.24 : 28,595,162.04 = 18,414,060.16 : x
  2. Step 2: Convert to fraction form
    20,712,247.24/28,595,162.04 = 18,414,060.16/x
  3. Step 3: Cross multiply
    20,712,247.24x = 28,595,162.04 × 18,414,060.16
  4. Step 4: Simplify right side
    20,712,247.24x = 526,553,034,089,508.31
  5. Step 5: Solve for x
    x = 526,553,034,089,508.31/20,712,247.24
  6. Step 6: Final answer
    x = 25,422,303.43

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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.