Home / 22,102,451.37-30,280,466.42-21,274,056.84

Finding the Fourth Proportional to 22,102,451.37, 30,280,466.42 and 21,274,056.84

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Solution

The fourth proportional to 22,102,451.37, 30,280,466.42 and 21,274,056.84 is: 29,145,561.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102,451.37 : 30,280,466.42 = 21,274,056.84 : x
  2. Step 2: Convert to fraction form
    22,102,451.37/30,280,466.42 = 21,274,056.84/x
  3. Step 3: Cross multiply
    22,102,451.37x = 30,280,466.42 × 21,274,056.84
  4. Step 4: Simplify right side
    22,102,451.37x = 644,188,363,654,421
  5. Step 5: Solve for x
    x = 644,188,363,654,421/22,102,451.37
  6. Step 6: Final answer
    x = 29,145,561.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.