Home / 20,099,373.60-30,149,060.40-19,175,584.80

Finding the Fourth Proportional to 20,099,373.60, 30,149,060.40 and 19,175,584.80

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Solution

The fourth proportional to 20,099,373.60, 30,149,060.40 and 19,175,584.80 is: 28,763,377.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099,373.60 : 30,149,060.40 = 19,175,584.80 : x
  2. Step 2: Convert to fraction form
    20,099,373.60/30,149,060.40 = 19,175,584.80/x
  3. Step 3: Cross multiply
    20,099,373.60x = 30,149,060.40 × 19,175,584.80
  4. Step 4: Simplify right side
    20,099,373.60x = 578,125,864,340,521.88
  5. Step 5: Solve for x
    x = 578,125,864,340,521.88/20,099,373.60
  6. Step 6: Final answer
    x = 28,763,377.20

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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.