Home / 20,411,206.62-30,620,576.97-8,444,875.74

Finding the Fourth Proportional to 20,411,206.62, 30,620,576.97 and 8,444,875.74

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Solution

The fourth proportional to 20,411,206.62, 30,620,576.97 and 8,444,875.74 is: 12,668,872.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411,206.62 : 30,620,576.97 = 8,444,875.74 : x
  2. Step 2: Convert to fraction form
    20,411,206.62/30,620,576.97 = 8,444,875.74/x
  3. Step 3: Cross multiply
    20,411,206.62x = 30,620,576.97 × 8,444,875.74
  4. Step 4: Simplify right side
    20,411,206.62x = 258,586,967,598,755.72
  5. Step 5: Solve for x
    x = 258,586,967,598,755.72/20,411,206.62
  6. Step 6: Final answer
    x = 12,668,872.17

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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.