Home / 20,684,467.18-28,542,452.34-12,735,747.34

Finding the Fourth Proportional to 20,684,467.18, 28,542,452.34 and 12,735,747.34

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Solution

The fourth proportional to 20,684,467.18, 28,542,452.34 and 12,735,747.34 is: 17,574,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,467.18 : 28,542,452.34 = 12,735,747.34 : x
  2. Step 2: Convert to fraction form
    20,684,467.18/28,542,452.34 = 12,735,747.34/x
  3. Step 3: Cross multiply
    20,684,467.18x = 28,542,452.34 × 12,735,747.34
  4. Step 4: Simplify right side
    20,684,467.18x = 363,509,461,466,231.75
  5. Step 5: Solve for x
    x = 363,509,461,466,231.75/20,684,467.18
  6. Step 6: Final answer
    x = 17,574,030.71

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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.