Home / 21,320,037.72-31,982,297.76-6,944,225.76

Finding the Fourth Proportional to 21,320,037.72, 31,982,297.76 and 6,944,225.76

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Solution

The fourth proportional to 21,320,037.72, 31,982,297.76 and 6,944,225.76 is: 10,417,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,037.72 : 31,982,297.76 = 6,944,225.76 : x
  2. Step 2: Convert to fraction form
    21,320,037.72/31,982,297.76 = 6,944,225.76/x
  3. Step 3: Cross multiply
    21,320,037.72x = 31,982,297.76 × 6,944,225.76
  4. Step 4: Simplify right side
    21,320,037.72x = 222,092,295,968,982.31
  5. Step 5: Solve for x
    x = 222,092,295,968,982.31/21,320,037.72
  6. Step 6: Final answer
    x = 10,417,068.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.