Home / 20,190,602.35-30,285,903.53-18,175,063.15

Finding the Fourth Proportional to 20,190,602.35, 30,285,903.53 and 18,175,063.15

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Solution

The fourth proportional to 20,190,602.35, 30,285,903.53 and 18,175,063.15 is: 27,262,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,602.35 : 30,285,903.53 = 18,175,063.15 : x
  2. Step 2: Convert to fraction form
    20,190,602.35/30,285,903.53 = 18,175,063.15/x
  3. Step 3: Cross multiply
    20,190,602.35x = 30,285,903.53 × 18,175,063.15
  4. Step 4: Simplify right side
    20,190,602.35x = 550,448,209,212,557.88
  5. Step 5: Solve for x
    x = 550,448,209,212,557.88/20,190,602.35
  6. Step 6: Final answer
    x = 27,262,594.73

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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.