Home / 21,748,044.08-30,013,165.56-11,959,290.80

Finding the Fourth Proportional to 21,748,044.08, 30,013,165.56 and 11,959,290.80

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Solution

The fourth proportional to 21,748,044.08, 30,013,165.56 and 11,959,290.80 is: 16,504,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748,044.08 : 30,013,165.56 = 11,959,290.80 : x
  2. Step 2: Convert to fraction form
    21,748,044.08/30,013,165.56 = 11,959,290.80/x
  3. Step 3: Cross multiply
    21,748,044.08x = 30,013,165.56 × 11,959,290.80
  4. Step 4: Simplify right side
    21,748,044.08x = 358,936,174,760,584.88
  5. Step 5: Solve for x
    x = 358,936,174,760,584.88/21,748,044.08
  6. Step 6: Final answer
    x = 16,504,296.82

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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.