Home / 21,911,244.72-30,238,413.12-12,121,523.16

Finding the Fourth Proportional to 21,911,244.72, 30,238,413.12 and 12,121,523.16

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Solution

The fourth proportional to 21,911,244.72, 30,238,413.12 and 12,121,523.16 is: 16,728,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911,244.72 : 30,238,413.12 = 12,121,523.16 : x
  2. Step 2: Convert to fraction form
    21,911,244.72/30,238,413.12 = 12,121,523.16/x
  3. Step 3: Cross multiply
    21,911,244.72x = 30,238,413.12 × 12,121,523.16
  4. Step 4: Simplify right side
    21,911,244.72x = 366,535,624,955,727.88
  5. Step 5: Solve for x
    x = 366,535,624,955,727.88/21,911,244.72
  6. Step 6: Final answer
    x = 16,728,197.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.