Home / 12,268,117.20-18,402,172.92-3,292,669.20

Finding the Fourth Proportional to 12,268,117.20, 18,402,172.92 and 3,292,669.20

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Solution

The fourth proportional to 12,268,117.20, 18,402,172.92 and 3,292,669.20 is: 4,939,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,117.20 : 18,402,172.92 = 3,292,669.20 : x
  2. Step 2: Convert to fraction form
    12,268,117.20/18,402,172.92 = 3,292,669.20/x
  3. Step 3: Cross multiply
    12,268,117.20x = 18,402,172.92 × 3,292,669.20
  4. Step 4: Simplify right side
    12,268,117.20x = 60,592,267,986,758.07
  5. Step 5: Solve for x
    x = 60,592,267,986,758.07/12,268,117.20
  6. Step 6: Final answer
    x = 4,939,003.03

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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.