Home / 21,289,226.76-29,379,144.15-11,499,670.71

Finding the Fourth Proportional to 21,289,226.76, 29,379,144.15 and 11,499,670.71

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Solution

The fourth proportional to 21,289,226.76, 29,379,144.15 and 11,499,670.71 is: 15,869,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,289,226.76 : 29,379,144.15 = 11,499,670.71 : x
  2. Step 2: Convert to fraction form
    21,289,226.76/29,379,144.15 = 11,499,670.71/x
  3. Step 3: Cross multiply
    21,289,226.76x = 29,379,144.15 × 11,499,670.71
  4. Step 4: Simplify right side
    21,289,226.76x = 337,850,483,466,622.88
  5. Step 5: Solve for x
    x = 337,850,483,466,622.88/21,289,226.76
  6. Step 6: Final answer
    x = 15,869,551.64

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.