Home / 20,063,789.40-27,690,393.06-11,915,027.40

Finding the Fourth Proportional to 20,063,789.40, 27,690,393.06 and 11,915,027.40

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Solution

The fourth proportional to 20,063,789.40, 27,690,393.06 and 11,915,027.40 is: 16,444,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,789.40 : 27,690,393.06 = 11,915,027.40 : x
  2. Step 2: Convert to fraction form
    20,063,789.40/27,690,393.06 = 11,915,027.40/x
  3. Step 3: Cross multiply
    20,063,789.40x = 27,690,393.06 × 11,915,027.40
  4. Step 4: Simplify right side
    20,063,789.40x = 329,931,792,026,669.81
  5. Step 5: Solve for x
    x = 329,931,792,026,669.81/20,063,789.40
  6. Step 6: Final answer
    x = 16,444,141.51

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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.