Home / 21,220,094.88-29,283,731.21-11,562,302.88

Finding the Fourth Proportional to 21,220,094.88, 29,283,731.21 and 11,562,302.88

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Solution

The fourth proportional to 21,220,094.88, 29,283,731.21 and 11,562,302.88 is: 15,955,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,220,094.88 : 29,283,731.21 = 11,562,302.88 : x
  2. Step 2: Convert to fraction form
    21,220,094.88/29,283,731.21 = 11,562,302.88/x
  3. Step 3: Cross multiply
    21,220,094.88x = 29,283,731.21 × 11,562,302.88
  4. Step 4: Simplify right side
    21,220,094.88x = 338,587,369,735,434.62
  5. Step 5: Solve for x
    x = 338,587,369,735,434.62/21,220,094.88
  6. Step 6: Final answer
    x = 15,955,978.13

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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.