Home / 20,317,523.76-28,038,524.76-11,151,019.44

Finding the Fourth Proportional to 20,317,523.76, 28,038,524.76 and 11,151,019.44

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Solution

The fourth proportional to 20,317,523.76, 28,038,524.76 and 11,151,019.44 is: 15,388,594.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,523.76 : 28,038,524.76 = 11,151,019.44 : x
  2. Step 2: Convert to fraction form
    20,317,523.76/28,038,524.76 = 11,151,019.44/x
  3. Step 3: Cross multiply
    20,317,523.76x = 28,038,524.76 × 11,151,019.44
  4. Step 4: Simplify right side
    20,317,523.76x = 312,658,134,667,681.31
  5. Step 5: Solve for x
    x = 312,658,134,667,681.31/20,317,523.76
  6. Step 6: Final answer
    x = 15,388,594.51

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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.