Home / 18,620,413.62-25,695,767.34-10,780,256.22

Finding the Fourth Proportional to 18,620,413.62, 25,695,767.34 and 10,780,256.22

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Solution

The fourth proportional to 18,620,413.62, 25,695,767.34 and 10,780,256.22 is: 14,876,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620,413.62 : 25,695,767.34 = 10,780,256.22 : x
  2. Step 2: Convert to fraction form
    18,620,413.62/25,695,767.34 = 10,780,256.22/x
  3. Step 3: Cross multiply
    18,620,413.62x = 25,695,767.34 × 10,780,256.22
  4. Step 4: Simplify right side
    18,620,413.62x = 277,006,955,694,707.88
  5. Step 5: Solve for x
    x = 277,006,955,694,707.88/18,620,413.62
  6. Step 6: Final answer
    x = 14,876,520.00

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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.