Home / 12,954,319.20-17,870,503.50-7,723,638.36

Finding the Fourth Proportional to 12,954,319.20, 17,870,503.50 and 7,723,638.36

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Solution

The fourth proportional to 12,954,319.20, 17,870,503.50 and 7,723,638.36 is: 10,654,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,319.20 : 17,870,503.50 = 7,723,638.36 : x
  2. Step 2: Convert to fraction form
    12,954,319.20/17,870,503.50 = 7,723,638.36/x
  3. Step 3: Cross multiply
    12,954,319.20x = 17,870,503.50 × 7,723,638.36
  4. Step 4: Simplify right side
    12,954,319.20x = 138,025,306,345,114.27
  5. Step 5: Solve for x
    x = 138,025,306,345,114.27/12,954,319.20
  6. Step 6: Final answer
    x = 10,654,771.14

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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.