Home / 21,730,837.71-29,988,794.73-11,941,284.42

Finding the Fourth Proportional to 21,730,837.71, 29,988,794.73 and 11,941,284.42

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Solution

The fourth proportional to 21,730,837.71, 29,988,794.73 and 11,941,284.42 is: 16,479,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,837.71 : 29,988,794.73 = 11,941,284.42 : x
  2. Step 2: Convert to fraction form
    21,730,837.71/29,988,794.73 = 11,941,284.42/x
  3. Step 3: Cross multiply
    21,730,837.71x = 29,988,794.73 × 11,941,284.42
  4. Step 4: Simplify right side
    21,730,837.71x = 358,104,727,283,927.12
  5. Step 5: Solve for x
    x = 358,104,727,283,927.12/21,730,837.71
  6. Step 6: Final answer
    x = 16,479,103.66

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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.