Home / 15,051,366.15-20,770,536.69-8,771,493.12

Finding the Fourth Proportional to 15,051,366.15, 20,770,536.69 and 8,771,493.12

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Solution

The fourth proportional to 15,051,366.15, 20,770,536.69 and 8,771,493.12 is: 12,104,457.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051,366.15 : 20,770,536.69 = 8,771,493.12 : x
  2. Step 2: Convert to fraction form
    15,051,366.15/20,770,536.69 = 8,771,493.12/x
  3. Step 3: Cross multiply
    15,051,366.15x = 20,770,536.69 × 8,771,493.12
  4. Step 4: Simplify right side
    15,051,366.15x = 182,188,619,675,042.56
  5. Step 5: Solve for x
    x = 182,188,619,675,042.56/15,051,366.15
  6. Step 6: Final answer
    x = 12,104,457.35

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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.