Home / 15,263,821.14-21,064,880.37-8,649,693.38

Finding the Fourth Proportional to 15,263,821.14, 21,064,880.37 and 8,649,693.38

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Solution

The fourth proportional to 15,263,821.14, 21,064,880.37 and 8,649,693.38 is: 11,937,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263,821.14 : 21,064,880.37 = 8,649,693.38 : x
  2. Step 2: Convert to fraction form
    15,263,821.14/21,064,880.37 = 8,649,693.38/x
  3. Step 3: Cross multiply
    15,263,821.14x = 21,064,880.37 × 8,649,693.38
  4. Step 4: Simplify right side
    15,263,821.14x = 182,204,756,286,880.97
  5. Step 5: Solve for x
    x = 182,204,756,286,880.97/15,263,821.14
  6. Step 6: Final answer
    x = 11,937,034.29

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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.