Home / 13,013,949.90-17,959,252.59-7,213,105.74

Finding the Fourth Proportional to 13,013,949.90, 17,959,252.59 and 7,213,105.74

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Solution

The fourth proportional to 13,013,949.90, 17,959,252.59 and 7,213,105.74 is: 9,954,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,949.90 : 17,959,252.59 = 7,213,105.74 : x
  2. Step 2: Convert to fraction form
    13,013,949.90/17,959,252.59 = 7,213,105.74/x
  3. Step 3: Cross multiply
    13,013,949.90x = 17,959,252.59 × 7,213,105.74
  4. Step 4: Simplify right side
    13,013,949.90x = 129,541,987,943,038.88
  5. Step 5: Solve for x
    x = 129,541,987,943,038.88/13,013,949.90
  6. Step 6: Final answer
    x = 9,954,086.88

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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.