Home / 15,694,013.36-21,659,673.48-8,818,346

Finding the Fourth Proportional to 15,694,013.36, 21,659,673.48 and 8,818,346

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Solution

The fourth proportional to 15,694,013.36, 21,659,673.48 and 8,818,346 is: 12,170,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,694,013.36 : 21,659,673.48 = 8,818,346 : x
  2. Step 2: Convert to fraction form
    15,694,013.36/21,659,673.48 = 8,818,346/x
  3. Step 3: Cross multiply
    15,694,013.36x = 21,659,673.48 × 8,818,346
  4. Step 4: Simplify right side
    15,694,013.36x = 191,002,494,993,664.09
  5. Step 5: Solve for x
    x = 191,002,494,993,664.09/15,694,013.36
  6. Step 6: Final answer
    x = 12,170,404.77

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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.