Home / 20,099,376.10-30,149,064.15-19,175,587.30

Finding the Fourth Proportional to 20,099,376.10, 30,149,064.15 and 19,175,587.30

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Solution

The fourth proportional to 20,099,376.10, 30,149,064.15 and 19,175,587.30 is: 28,763,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099,376.10 : 30,149,064.15 = 19,175,587.30 : x
  2. Step 2: Convert to fraction form
    20,099,376.10/30,149,064.15 = 19,175,587.30/x
  3. Step 3: Cross multiply
    20,099,376.10x = 30,149,064.15 × 19,175,587.30
  4. Step 4: Simplify right side
    20,099,376.10x = 578,126,011,621,625.25
  5. Step 5: Solve for x
    x = 578,126,011,621,625.25/20,099,376.10
  6. Step 6: Final answer
    x = 28,763,380.95

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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.