Home / 38,290,053.27-52,840,610.73-20,886,475.89

Finding the Fourth Proportional to 38,290,053.27, 52,840,610.73 and 20,886,475.89

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Solution

The fourth proportional to 38,290,053.27, 52,840,610.73 and 20,886,475.89 is: 28,823,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,053.27 : 52,840,610.73 = 20,886,475.89 : x
  2. Step 2: Convert to fraction form
    38,290,053.27/52,840,610.73 = 20,886,475.89/x
  3. Step 3: Cross multiply
    38,290,053.27x = 52,840,610.73 × 20,886,475.89
  4. Step 4: Simplify right side
    38,290,053.27x = 1,103,654,141,708,601.12
  5. Step 5: Solve for x
    x = 1,103,654,141,708,601.12/38,290,053.27
  6. Step 6: Final answer
    x = 28,823,520.67

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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.