Home / 18,649,831.40-27,951,250.46-9,992,460.68

Finding the Fourth Proportional to 18,649,831.40, 27,951,250.46 and 9,992,460.68

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Solution

The fourth proportional to 18,649,831.40, 27,951,250.46 and 9,992,460.68 is: 14,976,101.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649,831.40 : 27,951,250.46 = 9,992,460.68 : x
  2. Step 2: Convert to fraction form
    18,649,831.40/27,951,250.46 = 9,992,460.68/x
  3. Step 3: Cross multiply
    18,649,831.40x = 27,951,250.46 × 9,992,460.68
  4. Step 4: Simplify right side
    18,649,831.40x = 279,301,771,178,381.91
  5. Step 5: Solve for x
    x = 279,301,771,178,381.91/18,649,831.40
  6. Step 6: Final answer
    x = 14,976,101.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.