Home / 38,188,094.49-52,698,012.48-21,667,863.42

Finding the Fourth Proportional to 38,188,094.49, 52,698,012.48 and 21,667,863.42

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Solution

The fourth proportional to 38,188,094.49, 52,698,012.48 and 21,667,863.42 is: 29,900,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188,094.49 : 52,698,012.48 = 21,667,863.42 : x
  2. Step 2: Convert to fraction form
    38,188,094.49/52,698,012.48 = 21,667,863.42/x
  3. Step 3: Cross multiply
    38,188,094.49x = 52,698,012.48 × 21,667,863.42
  4. Step 4: Simplify right side
    38,188,094.49x = 1,141,853,336,922,095.50
  5. Step 5: Solve for x
    x = 1,141,853,336,922,095.50/38,188,094.49
  6. Step 6: Final answer
    x = 29,900,767.56

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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.