Home / 39,167,438.40-54,049,990.08-21,763,336.14

Finding the Fourth Proportional to 39,167,438.40, 54,049,990.08 and 21,763,336.14

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Solution

The fourth proportional to 39,167,438.40, 54,049,990.08 and 21,763,336.14 is: 30,032,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167,438.40 : 54,049,990.08 = 21,763,336.14 : x
  2. Step 2: Convert to fraction form
    39,167,438.40/54,049,990.08 = 21,763,336.14/x
  3. Step 3: Cross multiply
    39,167,438.40x = 54,049,990.08 × 21,763,336.14
  4. Step 4: Simplify right side
    39,167,438.40x = 1,176,308,102,474,705.50
  5. Step 5: Solve for x
    x = 1,176,308,102,474,705.50/39,167,438.40
  6. Step 6: Final answer
    x = 30,032,806.60

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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.