Home / 15,252,775.74-21,040,044.03-9,137,661.30

Finding the Fourth Proportional to 15,252,775.74, 21,040,044.03 and 9,137,661.30

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Solution

The fourth proportional to 15,252,775.74, 21,040,044.03 and 9,137,661.30 is: 12,604,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,252,775.74 : 21,040,044.03 = 9,137,661.30 : x
  2. Step 2: Convert to fraction form
    15,252,775.74/21,040,044.03 = 9,137,661.30/x
  3. Step 3: Cross multiply
    15,252,775.74x = 21,040,044.03 × 9,137,661.30
  4. Step 4: Simplify right side
    15,252,775.74x = 192,256,796,083,227.06
  5. Step 5: Solve for x
    x = 192,256,796,083,227.06/15,252,775.74
  6. Step 6: Final answer
    x = 12,604,708.77

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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.