Home / 21,376,655.83-29,498,994.71-11,586,889.82

Finding the Fourth Proportional to 21,376,655.83, 29,498,994.71 and 11,586,889.82

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Solution

The fourth proportional to 21,376,655.83, 29,498,994.71 and 11,586,889.82 is: 15,989,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,655.83 : 29,498,994.71 = 11,586,889.82 : x
  2. Step 2: Convert to fraction form
    21,376,655.83/29,498,994.71 = 11,586,889.82/x
  3. Step 3: Cross multiply
    21,376,655.83x = 29,498,994.71 × 11,586,889.82
  4. Step 4: Simplify right side
    21,376,655.83x = 341,801,601,505,532.88
  5. Step 5: Solve for x
    x = 341,801,601,505,532.88/21,376,655.83
  6. Step 6: Final answer
    x = 15,989,479.56

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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.