Home / 20,035,940.20-30,053,910.30-13,658,648.20

Finding the Fourth Proportional to 20,035,940.20, 30,053,910.30 and 13,658,648.20

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Solution

The fourth proportional to 20,035,940.20, 30,053,910.30 and 13,658,648.20 is: 20,487,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035,940.20 : 30,053,910.30 = 13,658,648.20 : x
  2. Step 2: Convert to fraction form
    20,035,940.20/30,053,910.30 = 13,658,648.20/x
  3. Step 3: Cross multiply
    20,035,940.20x = 30,053,910.30 × 13,658,648.20
  4. Step 4: Simplify right side
    20,035,940.20x = 410,495,787,822,056.44
  5. Step 5: Solve for x
    x = 410,495,787,822,056.44/20,035,940.20
  6. Step 6: Final answer
    x = 20,487,972.30

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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.