Home / 38,766,886.56-53,498,654.88-21,363,855.36

Finding the Fourth Proportional to 38,766,886.56, 53,498,654.88 and 21,363,855.36

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Solution

The fourth proportional to 38,766,886.56, 53,498,654.88 and 21,363,855.36 is: 29,482,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,766,886.56 : 53,498,654.88 = 21,363,855.36 : x
  2. Step 2: Convert to fraction form
    38,766,886.56/53,498,654.88 = 21,363,855.36/x
  3. Step 3: Cross multiply
    38,766,886.56x = 53,498,654.88 × 21,363,855.36
  4. Step 4: Simplify right side
    38,766,886.56x = 1,142,937,524,810,878.25
  5. Step 5: Solve for x
    x = 1,142,937,524,810,878.25/38,766,886.56
  6. Step 6: Final answer
    x = 29,482,314.06

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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.