Home / 21,204,789.72-31,807,179.72-6,058,721.40

Finding the Fourth Proportional to 21,204,789.72, 31,807,179.72 and 6,058,721.40

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Solution

The fourth proportional to 21,204,789.72, 31,807,179.72 and 6,058,721.40 is: 9,088,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,789.72 : 31,807,179.72 = 6,058,721.40 : x
  2. Step 2: Convert to fraction form
    21,204,789.72/31,807,179.72 = 6,058,721.40/x
  3. Step 3: Cross multiply
    21,204,789.72x = 31,807,179.72 × 6,058,721.40
  4. Step 4: Simplify right side
    21,204,789.72x = 192,710,840,443,210
  5. Step 5: Solve for x
    x = 192,710,840,443,210/21,204,789.72
  6. Step 6: Final answer
    x = 9,088,080.71

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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.