Home / 20,099,374.60-30,149,061.90-19,175,585.80

Finding the Fourth Proportional to 20,099,374.60, 30,149,061.90 and 19,175,585.80

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Solution

The fourth proportional to 20,099,374.60, 30,149,061.90 and 19,175,585.80 is: 28,763,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099,374.60 : 30,149,061.90 = 19,175,585.80 : x
  2. Step 2: Convert to fraction form
    20,099,374.60/30,149,061.90 = 19,175,585.80/x
  3. Step 3: Cross multiply
    20,099,374.60x = 30,149,061.90 × 19,175,585.80
  4. Step 4: Simplify right side
    20,099,374.60x = 578,125,923,252,961
  5. Step 5: Solve for x
    x = 578,125,923,252,961/20,099,374.60
  6. Step 6: Final answer
    x = 28,763,378.70

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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.