Home / 20,802,846.30-31,204,269.45-5,450,106.30

Finding the Fourth Proportional to 20,802,846.30, 31,204,269.45 and 5,450,106.30

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Solution

The fourth proportional to 20,802,846.30, 31,204,269.45 and 5,450,106.30 is: 8,175,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,802,846.30 : 31,204,269.45 = 5,450,106.30 : x
  2. Step 2: Convert to fraction form
    20,802,846.30/31,204,269.45 = 5,450,106.30/x
  3. Step 3: Cross multiply
    20,802,846.30x = 31,204,269.45 × 5,450,106.30
  4. Step 4: Simplify right side
    20,802,846.30x = 170,066,585,516,342.53
  5. Step 5: Solve for x
    x = 170,066,585,516,342.53/20,802,846.30
  6. Step 6: Final answer
    x = 8,175,159.45

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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.