Home / 30,356,831.62-41,885,715.09-18,598,584.34

Finding the Fourth Proportional to 30,356,831.62, 41,885,715.09 and 18,598,584.34

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Solution

The fourth proportional to 30,356,831.62, 41,885,715.09 and 18,598,584.34 is: 25,661,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356,831.62 : 41,885,715.09 = 18,598,584.34 : x
  2. Step 2: Convert to fraction form
    30,356,831.62/41,885,715.09 = 18,598,584.34/x
  3. Step 3: Cross multiply
    30,356,831.62x = 41,885,715.09 × 18,598,584.34
  4. Step 4: Simplify right side
    30,356,831.62x = 779,015,004,742,575.75
  5. Step 5: Solve for x
    x = 779,015,004,742,575.75/30,356,831.62
  6. Step 6: Final answer
    x = 25,661,933.84

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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.