Home / 18,980,860.37-26,193,450.40-10,278,831.11

Finding the Fourth Proportional to 18,980,860.37, 26,193,450.40 and 10,278,831.11

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Solution

The fourth proportional to 18,980,860.37, 26,193,450.40 and 10,278,831.11 is: 14,184,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,860.37 : 26,193,450.40 = 10,278,831.11 : x
  2. Step 2: Convert to fraction form
    18,980,860.37/26,193,450.40 = 10,278,831.11/x
  3. Step 3: Cross multiply
    18,980,860.37x = 26,193,450.40 × 10,278,831.11
  4. Step 4: Simplify right side
    18,980,860.37x = 269,238,052,693,097.62
  5. Step 5: Solve for x
    x = 269,238,052,693,097.62/18,980,860.37
  6. Step 6: Final answer
    x = 14,184,712.79

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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.