Home / 20,232,021.20-30,348,031.80-17,893,680.80

Finding the Fourth Proportional to 20,232,021.20, 30,348,031.80 and 17,893,680.80

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Solution

The fourth proportional to 20,232,021.20, 30,348,031.80 and 17,893,680.80 is: 26,840,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,021.20 : 30,348,031.80 = 17,893,680.80 : x
  2. Step 2: Convert to fraction form
    20,232,021.20/30,348,031.80 = 17,893,680.80/x
  3. Step 3: Cross multiply
    20,232,021.20x = 30,348,031.80 × 17,893,680.80
  4. Step 4: Simplify right side
    20,232,021.20x = 543,037,993,937,449.50
  5. Step 5: Solve for x
    x = 543,037,993,937,449.50/20,232,021.20
  6. Step 6: Final answer
    x = 26,840,521.20

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Double scale
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Similar ratio
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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.