Home / 22,185,928.80-33,278,893.20-18,784,706.40

Finding the Fourth Proportional to 22,185,928.80, 33,278,893.20 and 18,784,706.40

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Solution

The fourth proportional to 22,185,928.80, 33,278,893.20 and 18,784,706.40 is: 28,177,059.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185,928.80 : 33,278,893.20 = 18,784,706.40 : x
  2. Step 2: Convert to fraction form
    22,185,928.80/33,278,893.20 = 18,784,706.40/x
  3. Step 3: Cross multiply
    22,185,928.80x = 33,278,893.20 × 18,784,706.40
  4. Step 4: Simplify right side
    22,185,928.80x = 625,134,238,078,956.38
  5. Step 5: Solve for x
    x = 625,134,238,078,956.38/22,185,928.80
  6. Step 6: Final answer
    x = 28,177,059.60

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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.