Home / 15,442,671.68-21,302,032.82-9,631,364.30

Finding the Fourth Proportional to 15,442,671.68, 21,302,032.82 and 9,631,364.30

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Solution

The fourth proportional to 15,442,671.68, 21,302,032.82 and 9,631,364.30 is: 13,285,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,671.68 : 21,302,032.82 = 9,631,364.30 : x
  2. Step 2: Convert to fraction form
    15,442,671.68/21,302,032.82 = 9,631,364.30/x
  3. Step 3: Cross multiply
    15,442,671.68x = 21,302,032.82 × 9,631,364.30
  4. Step 4: Simplify right side
    15,442,671.68x = 205,167,638,419,976.34
  5. Step 5: Solve for x
    x = 205,167,638,419,976.34/15,442,671.68
  6. Step 6: Final answer
    x = 13,285,760.56

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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.