Home / 12,930,589.50-19,395,981.48-5,740,190.34

Finding the Fourth Proportional to 12,930,589.50, 19,395,981.48 and 5,740,190.34

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Solution

The fourth proportional to 12,930,589.50, 19,395,981.48 and 5,740,190.34 is: 8,610,328.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,930,589.50 : 19,395,981.48 = 5,740,190.34 : x
  2. Step 2: Convert to fraction form
    12,930,589.50/19,395,981.48 = 5,740,190.34/x
  3. Step 3: Cross multiply
    12,930,589.50x = 19,395,981.48 × 5,740,190.34
  4. Step 4: Simplify right side
    12,930,589.50x = 111,336,625,526,314.91
  5. Step 5: Solve for x
    x = 111,336,625,526,314.91/12,930,589.50
  6. Step 6: Final answer
    x = 8,610,328.67

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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.