Home / 20,678,680.35-31,019,186.93-6,302,217.15

Finding the Fourth Proportional to 20,678,680.35, 31,019,186.93 and 6,302,217.15

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Solution

The fourth proportional to 20,678,680.35, 31,019,186.93 and 6,302,217.15 is: 9,453,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678,680.35 : 31,019,186.93 = 6,302,217.15 : x
  2. Step 2: Convert to fraction form
    20,678,680.35/31,019,186.93 = 6,302,217.15/x
  3. Step 3: Cross multiply
    20,678,680.35x = 31,019,186.93 × 6,302,217.15
  4. Step 4: Simplify right side
    20,678,680.35x = 195,489,651,817,790.78
  5. Step 5: Solve for x
    x = 195,489,651,817,790.78/20,678,680.35
  6. Step 6: Final answer
    x = 9,453,681.21

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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.