Home / 15,522,655.70-21,422,205.45-8,553,324.81

Finding the Fourth Proportional to 15,522,655.70, 21,422,205.45 and 8,553,324.81

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Solution

The fourth proportional to 15,522,655.70, 21,422,205.45 and 8,553,324.81 is: 11,804,106.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,522,655.70 : 21,422,205.45 = 8,553,324.81 : x
  2. Step 2: Convert to fraction form
    15,522,655.70/21,422,205.45 = 8,553,324.81/x
  3. Step 3: Cross multiply
    15,522,655.70x = 21,422,205.45 × 8,553,324.81
  4. Step 4: Simplify right side
    15,522,655.70x = 183,231,081,450,138.12
  5. Step 5: Solve for x
    x = 183,231,081,450,138.12/15,522,655.70
  6. Step 6: Final answer
    x = 11,804,106.53

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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.