Home / 12,771,618.40-19,151,522.70-5,579,450.20

Finding the Fourth Proportional to 12,771,618.40, 19,151,522.70 and 5,579,450.20

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Solution

The fourth proportional to 12,771,618.40, 19,151,522.70 and 5,579,450.20 is: 8,366,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,618.40 : 19,151,522.70 = 5,579,450.20 : x
  2. Step 2: Convert to fraction form
    12,771,618.40/19,151,522.70 = 5,579,450.20/x
  3. Step 3: Cross multiply
    12,771,618.40x = 19,151,522.70 × 5,579,450.20
  4. Step 4: Simplify right side
    12,771,618.40x = 106,854,967,158,819.55
  5. Step 5: Solve for x
    x = 106,854,967,158,819.55/12,771,618.40
  6. Step 6: Final answer
    x = 8,366,595.67

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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.