Home / 15,087,975,113.53-20,820,467,497.26-8,313,414,581.47

Finding the Fourth Proportional to 15,087,975,113.53, 20,820,467,497.26 and 8,313,414,581.47

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Solution

The fourth proportional to 15,087,975,113.53, 20,820,467,497.26 and 8,313,414,581.47 is: 11,471,995,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,975,113.53 : 20,820,467,497.26 = 8,313,414,581.47 : x
  2. Step 2: Convert to fraction form
    15,087,975,113.53/20,820,467,497.26 = 8,313,414,581.47/x
  3. Step 3: Cross multiply
    15,087,975,113.53x = 20,820,467,497.26 × 8,313,414,581.47
  4. Step 4: Simplify right side
    15,087,975,113.53x = 173,089,178,084,639,375,360
  5. Step 5: Solve for x
    x = 173,089,178,084,639,375,360/15,087,975,113.53
  6. Step 6: Final answer
    x = 11,471,995,200.30

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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.