Home / 21,086,692-31,593,927.12-11,508,790.24

Finding the Fourth Proportional to 21,086,692, 31,593,927.12 and 11,508,790.24

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Solution

The fourth proportional to 21,086,692, 31,593,927.12 and 11,508,790.24 is: 17,243,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,086,692 : 31,593,927.12 = 11,508,790.24 : x
  2. Step 2: Convert to fraction form
    21,086,692/31,593,927.12 = 11,508,790.24/x
  3. Step 3: Cross multiply
    21,086,692x = 31,593,927.12 × 11,508,790.24
  4. Step 4: Simplify right side
    21,086,692x = 363,607,880,081,927.31
  5. Step 5: Solve for x
    x = 363,607,880,081,927.31/21,086,692
  6. Step 6: Final answer
    x = 17,243,476.60

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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.