Home / 20,501,069.92-28,298,600.99-11,802,709.15

Finding the Fourth Proportional to 20,501,069.92, 28,298,600.99 and 11,802,709.15

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Solution

The fourth proportional to 20,501,069.92, 28,298,600.99 and 11,802,709.15 is: 16,291,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,501,069.92 : 28,298,600.99 = 11,802,709.15 : x
  2. Step 2: Convert to fraction form
    20,501,069.92/28,298,600.99 = 11,802,709.15/x
  3. Step 3: Cross multiply
    20,501,069.92x = 28,298,600.99 × 11,802,709.15
  4. Step 4: Simplify right side
    20,501,069.92x = 334,000,156,836,872.06
  5. Step 5: Solve for x
    x = 334,000,156,836,872.06/20,501,069.92
  6. Step 6: Final answer
    x = 16,291,840.29

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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.