Home / 38,668,961.14-53,362,102.25-21,265,306.40

Finding the Fourth Proportional to 38,668,961.14, 53,362,102.25 and 21,265,306.40

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Solution

The fourth proportional to 38,668,961.14, 53,362,102.25 and 21,265,306.40 is: 29,345,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668,961.14 : 53,362,102.25 = 21,265,306.40 : x
  2. Step 2: Convert to fraction form
    38,668,961.14/53,362,102.25 = 21,265,306.40/x
  3. Step 3: Cross multiply
    38,668,961.14x = 53,362,102.25 × 21,265,306.40
  4. Step 4: Simplify right side
    38,668,961.14x = 1,134,761,454,680,947.75
  5. Step 5: Solve for x
    x = 1,134,761,454,680,947.75/38,668,961.14
  6. Step 6: Final answer
    x = 29,345,537.64

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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.