Home / 38,141,883.76-52,635,429.60-20,738,228.96

Finding the Fourth Proportional to 38,141,883.76, 52,635,429.60 and 20,738,228.96

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Solution

The fourth proportional to 38,141,883.76, 52,635,429.60 and 20,738,228.96 is: 28,618,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141,883.76 : 52,635,429.60 = 20,738,228.96 : x
  2. Step 2: Convert to fraction form
    38,141,883.76/52,635,429.60 = 20,738,228.96/x
  3. Step 3: Cross multiply
    38,141,883.76x = 52,635,429.60 × 20,738,228.96
  4. Step 4: Simplify right side
    38,141,883.76x = 1,091,565,590,452,761.25
  5. Step 5: Solve for x
    x = 1,091,565,590,452,761.25/38,141,883.76
  6. Step 6: Final answer
    x = 28,618,554.80

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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.