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Finding the Fourth Proportional to 22,221,507.50, 30,665,454.42 and 12,298,409.48

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Solution

The fourth proportional to 22,221,507.50, 30,665,454.42 and 12,298,409.48 is: 16,971,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221,507.50 : 30,665,454.42 = 12,298,409.48 : x
  2. Step 2: Convert to fraction form
    22,221,507.50/30,665,454.42 = 12,298,409.48/x
  3. Step 3: Cross multiply
    22,221,507.50x = 30,665,454.42 × 12,298,409.48
  4. Step 4: Simplify right side
    22,221,507.50x = 377,136,315,347,435.94
  5. Step 5: Solve for x
    x = 377,136,315,347,435.94/22,221,507.50
  6. Step 6: Final answer
    x = 16,971,680.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.