Home / 12,528,067.20-18,792,100.80-4,008,681.60

Finding the Fourth Proportional to 12,528,067.20, 18,792,100.80 and 4,008,681.60

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Solution

The fourth proportional to 12,528,067.20, 18,792,100.80 and 4,008,681.60 is: 6,013,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,067.20 : 18,792,100.80 = 4,008,681.60 : x
  2. Step 2: Convert to fraction form
    12,528,067.20/18,792,100.80 = 4,008,681.60/x
  3. Step 3: Cross multiply
    12,528,067.20x = 18,792,100.80 × 4,008,681.60
  4. Step 4: Simplify right side
    12,528,067.20x = 75,331,548,702,305.28
  5. Step 5: Solve for x
    x = 75,331,548,702,305.28/12,528,067.20
  6. Step 6: Final answer
    x = 6,013,022.40

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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.