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Finding the Fourth Proportional to 40,978,600.92, 61,470,307.08 and 15,419,831.76

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Solution

The fourth proportional to 40,978,600.92, 61,470,307.08 and 15,419,831.76 is: 23,130,652.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,978,600.92 : 61,470,307.08 = 15,419,831.76 : x
  2. Step 2: Convert to fraction form
    40,978,600.92/61,470,307.08 = 15,419,831.76/x
  3. Step 3: Cross multiply
    40,978,600.92x = 61,470,307.08 × 15,419,831.76
  4. Step 4: Simplify right side
    40,978,600.92x = 947,861,793,409,136.88
  5. Step 5: Solve for x
    x = 947,861,793,409,136.88/40,978,600.92
  6. Step 6: Final answer
    x = 23,130,652.88

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