Home / 28,167,323.59-38,851,496.24-19,812,413.73

Finding the Fourth Proportional to 28,167,323.59, 38,851,496.24 and 19,812,413.73

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Solution

The fourth proportional to 28,167,323.59, 38,851,496.24 and 19,812,413.73 is: 27,327,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,167,323.59 : 38,851,496.24 = 19,812,413.73 : x
  2. Step 2: Convert to fraction form
    28,167,323.59/38,851,496.24 = 19,812,413.73/x
  3. Step 3: Cross multiply
    28,167,323.59x = 38,851,496.24 × 19,812,413.73
  4. Step 4: Simplify right side
    28,167,323.59x = 769,741,917,255,260.38
  5. Step 5: Solve for x
    x = 769,741,917,255,260.38/28,167,323.59
  6. Step 6: Final answer
    x = 27,327,478.05

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1.5x scale

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.