Home / 13,117,831.80-18,101,786.96-7,237,535.55

Finding the Fourth Proportional to 13,117,831.80, 18,101,786.96 and 7,237,535.55

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Solution

The fourth proportional to 13,117,831.80, 18,101,786.96 and 7,237,535.55 is: 9,987,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117,831.80 : 18,101,786.96 = 7,237,535.55 : x
  2. Step 2: Convert to fraction form
    13,117,831.80/18,101,786.96 = 7,237,535.55/x
  3. Step 3: Cross multiply
    13,117,831.80x = 18,101,786.96 × 7,237,535.55
  4. Step 4: Simplify right side
    13,117,831.80x = 131,012,326,659,620.25
  5. Step 5: Solve for x
    x = 131,012,326,659,620.25/13,117,831.80
  6. Step 6: Final answer
    x = 9,987,346.13

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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.