Home / 21,116,987.73-29,141,443.07-11,459,195.73

Finding the Fourth Proportional to 21,116,987.73, 29,141,443.07 and 11,459,195.73

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Solution

The fourth proportional to 21,116,987.73, 29,141,443.07 and 11,459,195.73 is: 15,813,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,987.73 : 29,141,443.07 = 11,459,195.73 : x
  2. Step 2: Convert to fraction form
    21,116,987.73/29,141,443.07 = 11,459,195.73/x
  3. Step 3: Cross multiply
    21,116,987.73x = 29,141,443.07 × 11,459,195.73
  4. Step 4: Simplify right side
    21,116,987.73x = 333,937,499,936,486.12
  5. Step 5: Solve for x
    x = 333,937,499,936,486.12/21,116,987.73
  6. Step 6: Final answer
    x = 15,813,690.11

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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.