Home / 12,765,918.20-17,616,249.27-7,260,632.33

Finding the Fourth Proportional to 12,765,918.20, 17,616,249.27 and 7,260,632.33

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Solution

The fourth proportional to 12,765,918.20, 17,616,249.27 and 7,260,632.33 is: 10,019,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,918.20 : 17,616,249.27 = 7,260,632.33 : x
  2. Step 2: Convert to fraction form
    12,765,918.20/17,616,249.27 = 7,260,632.33/x
  3. Step 3: Cross multiply
    12,765,918.20x = 17,616,249.27 × 7,260,632.33
  4. Step 4: Simplify right side
    12,765,918.20x = 127,905,108,895,019.66
  5. Step 5: Solve for x
    x = 127,905,108,895,019.66/12,765,918.20
  6. Step 6: Final answer
    x = 10,019,264.34

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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.