Home / 15,264,333.72-21,064,796.28-8,388,668.16

Finding the Fourth Proportional to 15,264,333.72, 21,064,796.28 and 8,388,668.16

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Solution

The fourth proportional to 15,264,333.72, 21,064,796.28 and 8,388,668.16 is: 11,576,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264,333.72 : 21,064,796.28 = 8,388,668.16 : x
  2. Step 2: Convert to fraction form
    15,264,333.72/21,064,796.28 = 8,388,668.16/x
  3. Step 3: Cross multiply
    15,264,333.72x = 21,064,796.28 × 8,388,668.16
  4. Step 4: Simplify right side
    15,264,333.72x = 176,705,585,850,922.47
  5. Step 5: Solve for x
    x = 176,705,585,850,922.47/15,264,333.72
  6. Step 6: Final answer
    x = 11,576,370.71

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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.