Home / 8,186,982.75-12,280,425.12-2,121,699.51

Finding the Fourth Proportional to 8,186,982.75, 12,280,425.12 and 2,121,699.51

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Solution

The fourth proportional to 8,186,982.75, 12,280,425.12 and 2,121,699.51 is: 3,182,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186,982.75 : 12,280,425.12 = 2,121,699.51 : x
  2. Step 2: Convert to fraction form
    8,186,982.75/12,280,425.12 = 2,121,699.51/x
  3. Step 3: Cross multiply
    8,186,982.75x = 12,280,425.12 × 2,121,699.51
  4. Step 4: Simplify right side
    8,186,982.75x = 26,055,371,959,695.69
  5. Step 5: Solve for x
    x = 26,055,371,959,695.69/8,186,982.75
  6. Step 6: Final answer
    x = 3,182,536.57

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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.