Home / 21,283,159.72-29,370,760.36-11,493,603.36

Finding the Fourth Proportional to 21,283,159.72, 29,370,760.36 and 11,493,603.36

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Solution

The fourth proportional to 21,283,159.72, 29,370,760.36 and 11,493,603.36 is: 15,861,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283,159.72 : 29,370,760.36 = 11,493,603.36 : x
  2. Step 2: Convert to fraction form
    21,283,159.72/29,370,760.36 = 11,493,603.36/x
  3. Step 3: Cross multiply
    21,283,159.72x = 29,370,760.36 × 11,493,603.36
  4. Step 4: Simplify right side
    21,283,159.72x = 337,575,869,959,450.81
  5. Step 5: Solve for x
    x = 337,575,869,959,450.81/21,283,159.72
  6. Step 6: Final answer
    x = 15,861,172.61

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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.