Home / 15,490,342.62-21,377,199.51-8,521,327.26

Finding the Fourth Proportional to 15,490,342.62, 21,377,199.51 and 8,521,327.26

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Solution

The fourth proportional to 15,490,342.62, 21,377,199.51 and 8,521,327.26 is: 11,759,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490,342.62 : 21,377,199.51 = 8,521,327.26 : x
  2. Step 2: Convert to fraction form
    15,490,342.62/21,377,199.51 = 8,521,327.26/x
  3. Step 3: Cross multiply
    15,490,342.62x = 21,377,199.51 × 8,521,327.26
  4. Step 4: Simplify right side
    15,490,342.62x = 182,162,112,927,021.66
  5. Step 5: Solve for x
    x = 182,162,112,927,021.66/15,490,342.62
  6. Step 6: Final answer
    x = 11,759,721.36

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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.