Home / 36,386,381.23-50,217,609.35-20,709,217.55

Finding the Fourth Proportional to 36,386,381.23, 50,217,609.35 and 20,709,217.55

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Solution

The fourth proportional to 36,386,381.23, 50,217,609.35 and 20,709,217.55 is: 28,581,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386,381.23 : 50,217,609.35 = 20,709,217.55 : x
  2. Step 2: Convert to fraction form
    36,386,381.23/50,217,609.35 = 20,709,217.55/x
  3. Step 3: Cross multiply
    36,386,381.23x = 50,217,609.35 × 20,709,217.55
  4. Step 4: Simplify right side
    36,386,381.23x = 1,039,967,396,870,064.12
  5. Step 5: Solve for x
    x = 1,039,967,396,870,064.12/36,386,381.23
  6. Step 6: Final answer
    x = 28,581,226.32

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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.