Home / 12,431,290.02-18,645,163.56-3,911,405.10

Finding the Fourth Proportional to 12,431,290.02, 18,645,163.56 and 3,911,405.10

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Solution

The fourth proportional to 12,431,290.02, 18,645,163.56 and 3,911,405.10 is: 5,866,550.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,431,290.02 : 18,645,163.56 = 3,911,405.10 : x
  2. Step 2: Convert to fraction form
    12,431,290.02/18,645,163.56 = 3,911,405.10/x
  3. Step 3: Cross multiply
    12,431,290.02x = 18,645,163.56 × 3,911,405.10
  4. Step 4: Simplify right side
    12,431,290.02x = 72,928,787,838,918.16
  5. Step 5: Solve for x
    x = 72,928,787,838,918.16/12,431,290.02
  6. Step 6: Final answer
    x = 5,866,550.27

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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.