Home / 21,693,616.63-29,937,108.09-11,904,224.47

Finding the Fourth Proportional to 21,693,616.63, 29,937,108.09 and 11,904,224.47

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Solution

The fourth proportional to 21,693,616.63, 29,937,108.09 and 11,904,224.47 is: 16,427,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693,616.63 : 29,937,108.09 = 11,904,224.47 : x
  2. Step 2: Convert to fraction form
    21,693,616.63/29,937,108.09 = 11,904,224.47/x
  3. Step 3: Cross multiply
    21,693,616.63x = 29,937,108.09 × 11,904,224.47
  4. Step 4: Simplify right side
    21,693,616.63x = 356,378,054,655,811
  5. Step 5: Solve for x
    x = 356,378,054,655,811/21,693,616.63
  6. Step 6: Final answer
    x = 16,427,784.30

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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.