Home / 12,320,098.17-18,467,115.49-4,640,420.13

Finding the Fourth Proportional to 12,320,098.17, 18,467,115.49 and 4,640,420.13

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Solution

The fourth proportional to 12,320,098.17, 18,467,115.49 and 4,640,420.13 is: 6,955,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,320,098.17 : 18,467,115.49 = 4,640,420.13 : x
  2. Step 2: Convert to fraction form
    12,320,098.17/18,467,115.49 = 4,640,420.13/x
  3. Step 3: Cross multiply
    12,320,098.17x = 18,467,115.49 × 4,640,420.13
  4. Step 4: Simplify right side
    12,320,098.17x = 85,695,174,462,830.80
  5. Step 5: Solve for x
    x = 85,695,174,462,830.80/12,320,098.17
  6. Step 6: Final answer
    x = 6,955,721.72

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1.5x scale

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.