Home / 15,672,265.82-21,628,267.96-8,703,060.07

Finding the Fourth Proportional to 15,672,265.82, 21,628,267.96 and 8,703,060.07

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Solution

The fourth proportional to 15,672,265.82, 21,628,267.96 and 8,703,060.07 is: 12,010,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,265.82 : 21,628,267.96 = 8,703,060.07 : x
  2. Step 2: Convert to fraction form
    15,672,265.82/21,628,267.96 = 8,703,060.07/x
  3. Step 3: Cross multiply
    15,672,265.82x = 21,628,267.96 × 8,703,060.07
  4. Step 4: Simplify right side
    15,672,265.82x = 188,232,115,157,795
  5. Step 5: Solve for x
    x = 188,232,115,157,795/15,672,265.82
  6. Step 6: Final answer
    x = 12,010,523.39

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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.