Home / 13,739,912.60-20,609,868.90-3,643,554.20

Finding the Fourth Proportional to 13,739,912.60, 20,609,868.90 and 3,643,554.20

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Solution

The fourth proportional to 13,739,912.60, 20,609,868.90 and 3,643,554.20 is: 5,465,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,912.60 : 20,609,868.90 = 3,643,554.20 : x
  2. Step 2: Convert to fraction form
    13,739,912.60/20,609,868.90 = 3,643,554.20/x
  3. Step 3: Cross multiply
    13,739,912.60x = 20,609,868.90 × 3,643,554.20
  4. Step 4: Simplify right side
    13,739,912.60x = 75,093,174,392,044.38
  5. Step 5: Solve for x
    x = 75,093,174,392,044.38/13,739,912.60
  6. Step 6: Final answer
    x = 5,465,331.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.