Home / 28,222,796.84-38,964,155.38-17,777,766.85

Finding the Fourth Proportional to 28,222,796.84, 38,964,155.38 and 17,777,766.85

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Solution

The fourth proportional to 28,222,796.84, 38,964,155.38 and 17,777,766.85 is: 24,543,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,222,796.84 : 38,964,155.38 = 17,777,766.85 : x
  2. Step 2: Convert to fraction form
    28,222,796.84/38,964,155.38 = 17,777,766.85/x
  3. Step 3: Cross multiply
    28,222,796.84x = 38,964,155.38 × 17,777,766.85
  4. Step 4: Simplify right side
    28,222,796.84x = 692,695,669,980,140.50
  5. Step 5: Solve for x
    x = 692,695,669,980,140.50/28,222,796.84
  6. Step 6: Final answer
    x = 24,543,835.04

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1.5x scale

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.