Home / 21,575,606.97-29,775,242.75-12,408,257.01

Finding the Fourth Proportional to 21,575,606.97, 29,775,242.75 and 12,408,257.01

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Solution

The fourth proportional to 21,575,606.97, 29,775,242.75 and 12,408,257.01 is: 17,123,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575,606.97 : 29,775,242.75 = 12,408,257.01 : x
  2. Step 2: Convert to fraction form
    21,575,606.97/29,775,242.75 = 12,408,257.01/x
  3. Step 3: Cross multiply
    21,575,606.97x = 29,775,242.75 × 12,408,257.01
  4. Step 4: Simplify right side
    21,575,606.97x = 369,458,864,577,139.19
  5. Step 5: Solve for x
    x = 369,458,864,577,139.19/21,575,606.97
  6. Step 6: Final answer
    x = 17,123,915.22

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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.