Home / 20,148,865.72-30,223,626.62-5,771,877.64

Finding the Fourth Proportional to 20,148,865.72, 30,223,626.62 and 5,771,877.64

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Solution

The fourth proportional to 20,148,865.72, 30,223,626.62 and 5,771,877.64 is: 8,657,910.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,148,865.72 : 30,223,626.62 = 5,771,877.64 : x
  2. Step 2: Convert to fraction form
    20,148,865.72/30,223,626.62 = 5,771,877.64/x
  3. Step 3: Cross multiply
    20,148,865.72x = 30,223,626.62 × 5,771,877.64
  4. Step 4: Simplify right side
    20,148,865.72x = 174,447,074,583,268.31
  5. Step 5: Solve for x
    x = 174,447,074,583,268.31/20,148,865.72
  6. Step 6: Final answer
    x = 8,657,910.43

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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.