Home / 21,239,506.31-29,302,219.55-11,944,945.76

Finding the Fourth Proportional to 21,239,506.31, 29,302,219.55 and 11,944,945.76

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Solution

The fourth proportional to 21,239,506.31, 29,302,219.55 and 11,944,945.76 is: 16,479,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,239,506.31 : 29,302,219.55 = 11,944,945.76 : x
  2. Step 2: Convert to fraction form
    21,239,506.31/29,302,219.55 = 11,944,945.76/x
  3. Step 3: Cross multiply
    21,239,506.31x = 29,302,219.55 × 11,944,945.76
  4. Step 4: Simplify right side
    21,239,506.31x = 350,013,422,966,125.81
  5. Step 5: Solve for x
    x = 350,013,422,966,125.81/21,239,506.31
  6. Step 6: Final answer
    x = 16,479,357.76

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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.