Home / 21,334,991.00-29,435,080.10-13,889,262.63

Finding the Fourth Proportional to 21,334,991.00, 29,435,080.10 and 13,889,262.63

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Solution

The fourth proportional to 21,334,991.00, 29,435,080.10 and 13,889,262.63 is: 19,162,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,991.00 : 29,435,080.10 = 13,889,262.63 : x
  2. Step 2: Convert to fraction form
    21,334,991.00/29,435,080.10 = 13,889,262.63/x
  3. Step 3: Cross multiply
    21,334,991.00x = 29,435,080.10 × 13,889,262.63
  4. Step 4: Simplify right side
    21,334,991.00x = 408,831,557,997,476.69
  5. Step 5: Solve for x
    x = 408,831,557,997,476.69/21,334,991.00
  6. Step 6: Final answer
    x = 19,162,490.30

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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.