Home / 27,736,683.21-38,274,544.31-15,511,178.25

Finding the Fourth Proportional to 27,736,683.21, 38,274,544.31 and 15,511,178.25

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Solution

The fourth proportional to 27,736,683.21, 38,274,544.31 and 15,511,178.25 is: 21,404,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736,683.21 : 38,274,544.31 = 15,511,178.25 : x
  2. Step 2: Convert to fraction form
    27,736,683.21/38,274,544.31 = 15,511,178.25/x
  3. Step 3: Cross multiply
    27,736,683.21x = 38,274,544.31 × 15,511,178.25
  4. Step 4: Simplify right side
    27,736,683.21x = 593,683,279,152,377.38
  5. Step 5: Solve for x
    x = 593,683,279,152,377.38/27,736,683.21
  6. Step 6: Final answer
    x = 21,404,263.61

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Double scale
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1.5x scale

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.