Home / 12,632,100.80-18,948,151.20-12,277,806.80

Finding the Fourth Proportional to 12,632,100.80, 18,948,151.20 and 12,277,806.80

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Solution

The fourth proportional to 12,632,100.80, 18,948,151.20 and 12,277,806.80 is: 18,416,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632,100.80 : 18,948,151.20 = 12,277,806.80 : x
  2. Step 2: Convert to fraction form
    12,632,100.80/18,948,151.20 = 12,277,806.80/x
  3. Step 3: Cross multiply
    12,632,100.80x = 18,948,151.20 × 12,277,806.80
  4. Step 4: Simplify right side
    12,632,100.80x = 232,641,739,650,788.16
  5. Step 5: Solve for x
    x = 232,641,739,650,788.16/12,632,100.80
  6. Step 6: Final answer
    x = 18,416,710.20

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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.