Home / 27,278,874.70-40,924,216.95-8,111,569.30

Finding the Fourth Proportional to 27,278,874.70, 40,924,216.95 and 8,111,569.30

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Solution

The fourth proportional to 27,278,874.70, 40,924,216.95 and 8,111,569.30 is: 12,169,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278,874.70 : 40,924,216.95 = 8,111,569.30 : x
  2. Step 2: Convert to fraction form
    27,278,874.70/40,924,216.95 = 8,111,569.30/x
  3. Step 3: Cross multiply
    27,278,874.70x = 40,924,216.95 × 8,111,569.30
  4. Step 4: Simplify right side
    27,278,874.70x = 331,959,621,838,159.62
  5. Step 5: Solve for x
    x = 331,959,621,838,159.62/27,278,874.70
  6. Step 6: Final answer
    x = 12,169,109.81

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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.