Home / 12,320,042.55-18,467,032.05-4,640,364.63

Finding the Fourth Proportional to 12,320,042.55, 18,467,032.05 and 4,640,364.63

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Solution

The fourth proportional to 12,320,042.55, 18,467,032.05 and 4,640,364.63 is: 6,955,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,042.55 : 18,467,032.05 = 4,640,364.63 : x
  2. Step 2: Convert to fraction form
    12,320,042.55/18,467,032.05 = 4,640,364.63/x
  3. Step 3: Cross multiply
    12,320,042.55x = 18,467,032.05 × 4,640,364.63
  4. Step 4: Simplify right side
    12,320,042.55x = 85,693,762,345,896.39
  5. Step 5: Solve for x
    x = 85,693,762,345,896.39/12,320,042.55
  6. Step 6: Final answer
    x = 6,955,638.51

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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.