Home / 21,143,546.10-31,688,747.10-10,337,579.10

Finding the Fourth Proportional to 21,143,546.10, 31,688,747.10 and 10,337,579.10

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Solution

The fourth proportional to 21,143,546.10, 31,688,747.10 and 10,337,579.10 is: 15,493,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,143,546.10 : 31,688,747.10 = 10,337,579.10 : x
  2. Step 2: Convert to fraction form
    21,143,546.10/31,688,747.10 = 10,337,579.10/x
  3. Step 3: Cross multiply
    21,143,546.10x = 31,688,747.10 × 10,337,579.10
  4. Step 4: Simplify right side
    21,143,546.10x = 327,584,929,726,145.62
  5. Step 5: Solve for x
    x = 327,584,929,726,145.62/21,143,546.10
  6. Step 6: Final answer
    x = 15,493,376.95

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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.