Home / 20,099,585.60-30,149,378.40-19,175,796.80

Finding the Fourth Proportional to 20,099,585.60, 30,149,378.40 and 19,175,796.80

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Solution

The fourth proportional to 20,099,585.60, 30,149,378.40 and 19,175,796.80 is: 28,763,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099,585.60 : 30,149,378.40 = 19,175,796.80 : x
  2. Step 2: Convert to fraction form
    20,099,585.60/30,149,378.40 = 19,175,796.80/x
  3. Step 3: Cross multiply
    20,099,585.60x = 30,149,378.40 × 19,175,796.80
  4. Step 4: Simplify right side
    20,099,585.60x = 578,138,353,844,709.12
  5. Step 5: Solve for x
    x = 578,138,353,844,709.12/20,099,585.60
  6. Step 6: Final answer
    x = 28,763,695.20

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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.