Home / 23,135,597.38-31,908,508.09-20,338,740.54

Finding the Fourth Proportional to 23,135,597.38, 31,908,508.09 and 20,338,740.54

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Solution

The fourth proportional to 23,135,597.38, 31,908,508.09 and 20,338,740.54 is: 28,051,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135,597.38 : 31,908,508.09 = 20,338,740.54 : x
  2. Step 2: Convert to fraction form
    23,135,597.38/31,908,508.09 = 20,338,740.54/x
  3. Step 3: Cross multiply
    23,135,597.38x = 31,908,508.09 × 20,338,740.54
  4. Step 4: Simplify right side
    23,135,597.38x = 648,978,867,140,772.25
  5. Step 5: Solve for x
    x = 648,978,867,140,772.25/23,135,597.38
  6. Step 6: Final answer
    x = 28,051,096.17

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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.