Home / 21,631,813.40-29,851,900.10-11,842,227.16

Finding the Fourth Proportional to 21,631,813.40, 29,851,900.10 and 11,842,227.16

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Solution

The fourth proportional to 21,631,813.40, 29,851,900.10 and 11,842,227.16 is: 16,342,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631,813.40 : 29,851,900.10 = 11,842,227.16 : x
  2. Step 2: Convert to fraction form
    21,631,813.40/29,851,900.10 = 11,842,227.16/x
  3. Step 3: Cross multiply
    21,631,813.40x = 29,851,900.10 × 11,842,227.16
  4. Step 4: Simplify right side
    21,631,813.40x = 353,512,982,141,826.75
  5. Step 5: Solve for x
    x = 353,512,982,141,826.75/21,631,813.40
  6. Step 6: Final answer
    x = 16,342,272.17

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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.