Home / 21,012,195.96-28,997,273.34-11,844,838.68

Finding the Fourth Proportional to 21,012,195.96, 28,997,273.34 and 11,844,838.68

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Solution

The fourth proportional to 21,012,195.96, 28,997,273.34 and 11,844,838.68 is: 16,346,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,012,195.96 : 28,997,273.34 = 11,844,838.68 : x
  2. Step 2: Convert to fraction form
    21,012,195.96/28,997,273.34 = 11,844,838.68/x
  3. Step 3: Cross multiply
    21,012,195.96x = 28,997,273.34 × 11,844,838.68
  4. Step 4: Simplify right side
    21,012,195.96x = 343,468,024,872,164.75
  5. Step 5: Solve for x
    x = 343,468,024,872,164.75/21,012,195.96
  6. Step 6: Final answer
    x = 16,346,127.06

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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.