Home / 20,739,072.83-28,617,750-11,446,471.55

Finding the Fourth Proportional to 20,739,072.83, 28,617,750 and 11,446,471.55

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Solution

The fourth proportional to 20,739,072.83, 28,617,750 and 11,446,471.55 is: 15,794,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,739,072.83 : 28,617,750 = 11,446,471.55 : x
  2. Step 2: Convert to fraction form
    20,739,072.83/28,617,750 = 11,446,471.55/x
  3. Step 3: Cross multiply
    20,739,072.83x = 28,617,750 × 11,446,471.55
  4. Step 4: Simplify right side
    20,739,072.83x = 327,572,261,056,923.75
  5. Step 5: Solve for x
    x = 327,572,261,056,923.75/20,739,072.83
  6. Step 6: Final answer
    x = 15,794,932.77

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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.