Home / 19,422,016.80-29,133,025.20-12,241,658.40

Finding the Fourth Proportional to 19,422,016.80, 29,133,025.20 and 12,241,658.40

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Solution

The fourth proportional to 19,422,016.80, 29,133,025.20 and 12,241,658.40 is: 18,362,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,016.80 : 29,133,025.20 = 12,241,658.40 : x
  2. Step 2: Convert to fraction form
    19,422,016.80/29,133,025.20 = 12,241,658.40/x
  3. Step 3: Cross multiply
    19,422,016.80x = 29,133,025.20 × 12,241,658.40
  4. Step 4: Simplify right side
    19,422,016.80x = 356,636,542,656,991.69
  5. Step 5: Solve for x
    x = 356,636,542,656,991.69/19,422,016.80
  6. Step 6: Final answer
    x = 18,362,487.60

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1.5x scale

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.