Home / 20,412,794.70-30,619,192.05-12,854,522.70

Finding the Fourth Proportional to 20,412,794.70, 30,619,192.05 and 12,854,522.70

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Solution

The fourth proportional to 20,412,794.70, 30,619,192.05 and 12,854,522.70 is: 19,281,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,794.70 : 30,619,192.05 = 12,854,522.70 : x
  2. Step 2: Convert to fraction form
    20,412,794.70/30,619,192.05 = 12,854,522.70/x
  3. Step 3: Cross multiply
    20,412,794.70x = 30,619,192.05 × 12,854,522.70
  4. Step 4: Simplify right side
    20,412,794.70x = 393,595,099,262,384.50
  5. Step 5: Solve for x
    x = 393,595,099,262,384.50/20,412,794.70
  6. Step 6: Final answer
    x = 19,281,784.05

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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.