Home / 21,142,307.22-29,175,604.29-11,484,307.86

Finding the Fourth Proportional to 21,142,307.22, 29,175,604.29 and 11,484,307.86

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Solution

The fourth proportional to 21,142,307.22, 29,175,604.29 and 11,484,307.86 is: 15,847,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,142,307.22 : 29,175,604.29 = 11,484,307.86 : x
  2. Step 2: Convert to fraction form
    21,142,307.22/29,175,604.29 = 11,484,307.86/x
  3. Step 3: Cross multiply
    21,142,307.22x = 29,175,604.29 × 11,484,307.86
  4. Step 4: Simplify right side
    21,142,307.22x = 335,061,621,667,896.69
  5. Step 5: Solve for x
    x = 335,061,621,667,896.69/21,142,307.22
  6. Step 6: Final answer
    x = 15,847,921.34

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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.