Home / 20,265,121.88-30,400,832.01-6,805,099.16

Finding the Fourth Proportional to 20,265,121.88, 30,400,832.01 and 6,805,099.16

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Solution

The fourth proportional to 20,265,121.88, 30,400,832.01 and 6,805,099.16 is: 10,208,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,121.88 : 30,400,832.01 = 6,805,099.16 : x
  2. Step 2: Convert to fraction form
    20,265,121.88/30,400,832.01 = 6,805,099.16/x
  3. Step 3: Cross multiply
    20,265,121.88x = 30,400,832.01 × 6,805,099.16
  4. Step 4: Simplify right side
    20,265,121.88x = 206,880,676,222,547.97
  5. Step 5: Solve for x
    x = 206,880,676,222,547.97/20,265,121.88
  6. Step 6: Final answer
    x = 10,208,706.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.