Home / 15,438,443.50-21,291,107.07-9,637,761.34

Finding the Fourth Proportional to 15,438,443.50, 21,291,107.07 and 9,637,761.34

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Solution

The fourth proportional to 15,438,443.50, 21,291,107.07 and 9,637,761.34 is: 13,291,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438,443.50 : 21,291,107.07 = 9,637,761.34 : x
  2. Step 2: Convert to fraction form
    15,438,443.50/21,291,107.07 = 9,637,761.34/x
  3. Step 3: Cross multiply
    15,438,443.50x = 21,291,107.07 × 9,637,761.34
  4. Step 4: Simplify right side
    15,438,443.50x = 205,198,608,605,046.69
  5. Step 5: Solve for x
    x = 205,198,608,605,046.69/15,438,443.50
  6. Step 6: Final answer
    x = 13,291,405.23

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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.