Home / 12,238,585.20-18,372,020.40-6,569,881.20

Finding the Fourth Proportional to 12,238,585.20, 18,372,020.40 and 6,569,881.20

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Solution

The fourth proportional to 12,238,585.20, 18,372,020.40 and 6,569,881.20 is: 9,862,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,585.20 : 18,372,020.40 = 6,569,881.20 : x
  2. Step 2: Convert to fraction form
    12,238,585.20/18,372,020.40 = 6,569,881.20/x
  3. Step 3: Cross multiply
    12,238,585.20x = 18,372,020.40 × 6,569,881.20
  4. Step 4: Simplify right side
    12,238,585.20x = 120,701,991,431,976.47
  5. Step 5: Solve for x
    x = 120,701,991,431,976.47/12,238,585.20
  6. Step 6: Final answer
    x = 9,862,413.79

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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.