Home / 21,000,683.10-31,438,039.05-12,476,631.90

Finding the Fourth Proportional to 21,000,683.10, 31,438,039.05 and 12,476,631.90

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Solution

The fourth proportional to 21,000,683.10, 31,438,039.05 and 12,476,631.90 is: 18,677,527.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,000,683.10 : 31,438,039.05 = 12,476,631.90 : x
  2. Step 2: Convert to fraction form
    21,000,683.10/31,438,039.05 = 12,476,631.90/x
  3. Step 3: Cross multiply
    21,000,683.10x = 31,438,039.05 × 12,476,631.90
  4. Step 4: Simplify right side
    21,000,683.10x = 392,240,840,884,675.69
  5. Step 5: Solve for x
    x = 392,240,840,884,675.69/21,000,683.10
  6. Step 6: Final answer
    x = 18,677,527.73

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