Home / 38,365,072.56-52,943,174.46-20,961,043.20

Finding the Fourth Proportional to 38,365,072.56, 52,943,174.46 and 20,961,043.20

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Solution

The fourth proportional to 38,365,072.56, 52,943,174.46 and 20,961,043.20 is: 28,925,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365,072.56 : 52,943,174.46 = 20,961,043.20 : x
  2. Step 2: Convert to fraction form
    38,365,072.56/52,943,174.46 = 20,961,043.20/x
  3. Step 3: Cross multiply
    38,365,072.56x = 52,943,174.46 × 20,961,043.20
  4. Step 4: Simplify right side
    38,365,072.56x = 1,109,744,167,001,196.62
  5. Step 5: Solve for x
    x = 1,109,744,167,001,196.62/38,365,072.56
  6. Step 6: Final answer
    x = 28,925,897.78

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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.