Home / 8,206,938.82-11,326,981.89-4,771,172.74

Finding the Fourth Proportional to 8,206,938.82, 11,326,981.89 and 4,771,172.74

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Solution

The fourth proportional to 8,206,938.82, 11,326,981.89 and 4,771,172.74 is: 6,585,035.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206,938.82 : 11,326,981.89 = 4,771,172.74 : x
  2. Step 2: Convert to fraction form
    8,206,938.82/11,326,981.89 = 4,771,172.74/x
  3. Step 3: Cross multiply
    8,206,938.82x = 11,326,981.89 × 4,771,172.74
  4. Step 4: Simplify right side
    8,206,938.82x = 54,042,987,220,041.69
  5. Step 5: Solve for x
    x = 54,042,987,220,041.69/8,206,938.82
  6. Step 6: Final answer
    x = 6,585,035.96

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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.