Home / 18,980,860.87-26,193,451.08-10,278,831.61

Finding the Fourth Proportional to 18,980,860.87, 26,193,451.08 and 10,278,831.61

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Solution

The fourth proportional to 18,980,860.87, 26,193,451.08 and 10,278,831.61 is: 14,184,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,980,860.87 : 26,193,451.08 = 10,278,831.61 : x
  2. Step 2: Convert to fraction form
    18,980,860.87/26,193,451.08 = 10,278,831.61/x
  3. Step 3: Cross multiply
    18,980,860.87x = 26,193,451.08 × 10,278,831.61
  4. Step 4: Simplify right side
    18,980,860.87x = 269,238,072,805,125.38
  5. Step 5: Solve for x
    x = 269,238,072,805,125.38/18,980,860.87
  6. Step 6: Final answer
    x = 14,184,713.47

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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.