Home / 15,279,066.36-21,085,713.18-8,404,188.12

Finding the Fourth Proportional to 15,279,066.36, 21,085,713.18 and 8,404,188.12

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Solution

The fourth proportional to 15,279,066.36, 21,085,713.18 and 8,404,188.12 is: 11,598,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279,066.36 : 21,085,713.18 = 8,404,188.12 : x
  2. Step 2: Convert to fraction form
    15,279,066.36/21,085,713.18 = 8,404,188.12/x
  3. Step 3: Cross multiply
    15,279,066.36x = 21,085,713.18 × 8,404,188.12
  4. Step 4: Simplify right side
    15,279,066.36x = 177,208,300,209,083.41
  5. Step 5: Solve for x
    x = 177,208,300,209,083.41/15,279,066.36
  6. Step 6: Final answer
    x = 11,598,110.51

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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.