Home / 15,226,204.78-21,013,491.27-8,352,015.46

Finding the Fourth Proportional to 15,226,204.78, 21,013,491.27 and 8,352,015.46

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Solution

The fourth proportional to 15,226,204.78, 21,013,491.27 and 8,352,015.46 is: 11,526,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226,204.78 : 21,013,491.27 = 8,352,015.46 : x
  2. Step 2: Convert to fraction form
    15,226,204.78/21,013,491.27 = 8,352,015.46/x
  3. Step 3: Cross multiply
    15,226,204.78x = 21,013,491.27 × 8,352,015.46
  4. Step 4: Simplify right side
    15,226,204.78x = 175,505,003,955,615.03
  5. Step 5: Solve for x
    x = 175,505,003,955,615.03/15,226,204.78
  6. Step 6: Final answer
    x = 11,526,510.15

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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.