Home / 21,456,016.20-32,184,024.30-20,460,688.20

Finding the Fourth Proportional to 21,456,016.20, 32,184,024.30 and 20,460,688.20

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Solution

The fourth proportional to 21,456,016.20, 32,184,024.30 and 20,460,688.20 is: 30,691,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,016.20 : 32,184,024.30 = 20,460,688.20 : x
  2. Step 2: Convert to fraction form
    21,456,016.20/32,184,024.30 = 20,460,688.20/x
  3. Step 3: Cross multiply
    21,456,016.20x = 32,184,024.30 × 20,460,688.20
  4. Step 4: Simplify right side
    21,456,016.20x = 658,507,286,223,523.25
  5. Step 5: Solve for x
    x = 658,507,286,223,523.25/21,456,016.20
  6. Step 6: Final answer
    x = 30,691,032.30

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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.