Home / 26,082,959.40-39,124,439.10-12,621,148.20

Finding the Fourth Proportional to 26,082,959.40, 39,124,439.10 and 12,621,148.20

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Solution

The fourth proportional to 26,082,959.40, 39,124,439.10 and 12,621,148.20 is: 18,931,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,082,959.40 : 39,124,439.10 = 12,621,148.20 : x
  2. Step 2: Convert to fraction form
    26,082,959.40/39,124,439.10 = 12,621,148.20/x
  3. Step 3: Cross multiply
    26,082,959.40x = 39,124,439.10 × 12,621,148.20
  4. Step 4: Simplify right side
    26,082,959.40x = 493,795,344,122,974.62
  5. Step 5: Solve for x
    x = 493,795,344,122,974.62/26,082,959.40
  6. Step 6: Final answer
    x = 18,931,722.30

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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.