Home / 21,730,844.72-29,988,804.40-11,941,291.44

Finding the Fourth Proportional to 21,730,844.72, 29,988,804.40 and 11,941,291.44

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Solution

The fourth proportional to 21,730,844.72, 29,988,804.40 and 11,941,291.44 is: 16,479,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,844.72 : 29,988,804.40 = 11,941,291.44 : x
  2. Step 2: Convert to fraction form
    21,730,844.72/29,988,804.40 = 11,941,291.44/x
  3. Step 3: Cross multiply
    21,730,844.72x = 29,988,804.40 × 11,941,291.44
  4. Step 4: Simplify right side
    21,730,844.72x = 358,105,053,277,554.31
  5. Step 5: Solve for x
    x = 358,105,053,277,554.31/21,730,844.72
  6. Step 6: Final answer
    x = 16,479,113.35

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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.