Home / 22,078,890.40-33,119,890.80-12,498,858.40

Finding the Fourth Proportional to 22,078,890.40, 33,119,890.80 and 12,498,858.40

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Solution

The fourth proportional to 22,078,890.40, 33,119,890.80 and 12,498,858.40 is: 18,749,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078,890.40 : 33,119,890.80 = 12,498,858.40 : x
  2. Step 2: Convert to fraction form
    22,078,890.40/33,119,890.80 = 12,498,858.40/x
  3. Step 3: Cross multiply
    22,078,890.40x = 33,119,890.80 × 12,498,858.40
  4. Step 4: Simplify right side
    22,078,890.40x = 413,960,825,332,662.75
  5. Step 5: Solve for x
    x = 413,960,825,332,662.75/22,078,890.40
  6. Step 6: Final answer
    x = 18,749,168.00

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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.