Home / 20,208,711.35-30,312,631.65-5,635,242.65

Finding the Fourth Proportional to 20,208,711.35, 30,312,631.65 and 5,635,242.65

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Solution

The fourth proportional to 20,208,711.35, 30,312,631.65 and 5,635,242.65 is: 8,452,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,711.35 : 30,312,631.65 = 5,635,242.65 : x
  2. Step 2: Convert to fraction form
    20,208,711.35/30,312,631.65 = 5,635,242.65/x
  3. Step 3: Cross multiply
    20,208,711.35x = 30,312,631.65 × 5,635,242.65
  4. Step 4: Simplify right side
    20,208,711.35x = 170,819,034,707,819.88
  5. Step 5: Solve for x
    x = 170,819,034,707,819.88/20,208,711.35
  6. Step 6: Final answer
    x = 8,452,742.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.