Home / 34,324,039.36-47,328,358.08-21,917,820.16

Finding the Fourth Proportional to 34,324,039.36, 47,328,358.08 and 21,917,820.16

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Solution

The fourth proportional to 34,324,039.36, 47,328,358.08 and 21,917,820.16 is: 30,221,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,324,039.36 : 47,328,358.08 = 21,917,820.16 : x
  2. Step 2: Convert to fraction form
    34,324,039.36/47,328,358.08 = 21,917,820.16/x
  3. Step 3: Cross multiply
    34,324,039.36x = 47,328,358.08 × 21,917,820.16
  4. Step 4: Simplify right side
    34,324,039.36x = 1,037,334,440,865,522.88
  5. Step 5: Solve for x
    x = 1,037,334,440,865,522.88/34,324,039.36
  6. Step 6: Final answer
    x = 30,221,805.48

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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.