Home / 20,160,676.90-30,241,015.35-18,082,152.10

Finding the Fourth Proportional to 20,160,676.90, 30,241,015.35 and 18,082,152.10

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Solution

The fourth proportional to 20,160,676.90, 30,241,015.35 and 18,082,152.10 is: 27,123,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,676.90 : 30,241,015.35 = 18,082,152.10 : x
  2. Step 2: Convert to fraction form
    20,160,676.90/30,241,015.35 = 18,082,152.10/x
  3. Step 3: Cross multiply
    20,160,676.90x = 30,241,015.35 × 18,082,152.10
  4. Step 4: Simplify right side
    20,160,676.90x = 546,822,639,217,134.81
  5. Step 5: Solve for x
    x = 546,822,639,217,134.81/20,160,676.90
  6. Step 6: Final answer
    x = 27,123,228.15

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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.