Home / 15,087,975,052.13-20,820,467,413.15-8,313,414,520.24

Finding the Fourth Proportional to 15,087,975,052.13, 20,820,467,413.15 and 8,313,414,520.24

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Solution

The fourth proportional to 15,087,975,052.13, 20,820,467,413.15 and 8,313,414,520.24 is: 11,471,995,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,975,052.13 : 20,820,467,413.15 = 8,313,414,520.24 : x
  2. Step 2: Convert to fraction form
    15,087,975,052.13/20,820,467,413.15 = 8,313,414,520.24/x
  3. Step 3: Cross multiply
    15,087,975,052.13x = 20,820,467,413.15 × 8,313,414,520.24
  4. Step 4: Simplify right side
    15,087,975,052.13x = 173,089,176,110,581,743,616
  5. Step 5: Solve for x
    x = 173,089,176,110,581,743,616/15,087,975,052.13
  6. Step 6: Final answer
    x = 11,471,995,116.15

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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.