Home / 14,220,301.47-19,623,876.52-7,693,787.72

Finding the Fourth Proportional to 14,220,301.47, 19,623,876.52 and 7,693,787.72

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Solution

The fourth proportional to 14,220,301.47, 19,623,876.52 and 7,693,787.72 is: 10,617,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220,301.47 : 19,623,876.52 = 7,693,787.72 : x
  2. Step 2: Convert to fraction form
    14,220,301.47/19,623,876.52 = 7,693,787.72/x
  3. Step 3: Cross multiply
    14,220,301.47x = 19,623,876.52 × 7,693,787.72
  4. Step 4: Simplify right side
    14,220,301.47x = 150,981,940,188,372.31
  5. Step 5: Solve for x
    x = 150,981,940,188,372.31/14,220,301.47
  6. Step 6: Final answer
    x = 10,617,351.57

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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.