Home / 36,271,778.40-54,336,808.80-21,852,012.60

Finding the Fourth Proportional to 36,271,778.40, 54,336,808.80 and 21,852,012.60

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Solution

The fourth proportional to 36,271,778.40, 54,336,808.80 and 21,852,012.60 is: 32,735,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,271,778.40 : 54,336,808.80 = 21,852,012.60 : x
  2. Step 2: Convert to fraction form
    36,271,778.40/54,336,808.80 = 21,852,012.60/x
  3. Step 3: Cross multiply
    36,271,778.40x = 54,336,808.80 × 21,852,012.60
  4. Step 4: Simplify right side
    36,271,778.40x = 1,187,368,630,541,391
  5. Step 5: Solve for x
    x = 1,187,368,630,541,391/36,271,778.40
  6. Step 6: Final answer
    x = 32,735,329.86

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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.