Home / 20,686,232.40-30,982,109.40-12,183,176.40

Finding the Fourth Proportional to 20,686,232.40, 30,982,109.40 and 12,183,176.40

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Solution

The fourth proportional to 20,686,232.40, 30,982,109.40 and 12,183,176.40 is: 18,246,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,232.40 : 30,982,109.40 = 12,183,176.40 : x
  2. Step 2: Convert to fraction form
    20,686,232.40/30,982,109.40 = 12,183,176.40/x
  3. Step 3: Cross multiply
    20,686,232.40x = 30,982,109.40 × 12,183,176.40
  4. Step 4: Simplify right side
    20,686,232.40x = 377,460,504,064,298.12
  5. Step 5: Solve for x
    x = 377,460,504,064,298.12/20,686,232.40
  6. Step 6: Final answer
    x = 18,246,943.03

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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.