Home / 28,510,191.42-39,343,581.27-16,120,093.38

Finding the Fourth Proportional to 28,510,191.42, 39,343,581.27 and 16,120,093.38

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Solution

The fourth proportional to 28,510,191.42, 39,343,581.27 and 16,120,093.38 is: 22,245,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,191.42 : 39,343,581.27 = 16,120,093.38 : x
  2. Step 2: Convert to fraction form
    28,510,191.42/39,343,581.27 = 16,120,093.38/x
  3. Step 3: Cross multiply
    28,510,191.42x = 39,343,581.27 × 16,120,093.38
  4. Step 4: Simplify right side
    28,510,191.42x = 634,222,203,976,019.12
  5. Step 5: Solve for x
    x = 634,222,203,976,019.12/28,510,191.42
  6. Step 6: Final answer
    x = 22,245,455.83

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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.