Home / 19,903,789.16-27,456,693.82-13,698,061.84

Finding the Fourth Proportional to 19,903,789.16, 27,456,693.82 and 13,698,061.84

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Solution

The fourth proportional to 19,903,789.16, 27,456,693.82 and 13,698,061.84 is: 18,896,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,789.16 : 27,456,693.82 = 13,698,061.84 : x
  2. Step 2: Convert to fraction form
    19,903,789.16/27,456,693.82 = 13,698,061.84/x
  3. Step 3: Cross multiply
    19,903,789.16x = 27,456,693.82 × 13,698,061.84
  4. Step 4: Simplify right side
    19,903,789.16x = 376,103,489,868,305.81
  5. Step 5: Solve for x
    x = 376,103,489,868,305.81/19,903,789.16
  6. Step 6: Final answer
    x = 18,896,074.86

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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.