Home / 12,672,052.20-19,008,078.30-10,432,564.20

Finding the Fourth Proportional to 12,672,052.20, 19,008,078.30 and 10,432,564.20

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Solution

The fourth proportional to 12,672,052.20, 19,008,078.30 and 10,432,564.20 is: 15,648,846.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,052.20 : 19,008,078.30 = 10,432,564.20 : x
  2. Step 2: Convert to fraction form
    12,672,052.20/19,008,078.30 = 10,432,564.20/x
  3. Step 3: Cross multiply
    12,672,052.20x = 19,008,078.30 × 10,432,564.20
  4. Step 4: Simplify right side
    12,672,052.20x = 198,302,997,183,376.84
  5. Step 5: Solve for x
    x = 198,302,997,183,376.84/12,672,052.20
  6. Step 6: Final answer
    x = 15,648,846.30

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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.