Home / 12,347,218.80-18,520,828.20-3,828,416.40

Finding the Fourth Proportional to 12,347,218.80, 18,520,828.20 and 3,828,416.40

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Solution

The fourth proportional to 12,347,218.80, 18,520,828.20 and 3,828,416.40 is: 5,742,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,218.80 : 18,520,828.20 = 3,828,416.40 : x
  2. Step 2: Convert to fraction form
    12,347,218.80/18,520,828.20 = 3,828,416.40/x
  3. Step 3: Cross multiply
    12,347,218.80x = 18,520,828.20 × 3,828,416.40
  4. Step 4: Simplify right side
    12,347,218.80x = 70,905,442,422,462.47
  5. Step 5: Solve for x
    x = 70,905,442,422,462.47/12,347,218.80
  6. Step 6: Final answer
    x = 5,742,624.60

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