Home / 12,136,279.73-16,748,575.16-6,979,645.37

Finding the Fourth Proportional to 12,136,279.73, 16,748,575.16 and 6,979,645.37

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Solution

The fourth proportional to 12,136,279.73, 16,748,575.16 and 6,979,645.37 is: 9,632,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,279.73 : 16,748,575.16 = 6,979,645.37 : x
  2. Step 2: Convert to fraction form
    12,136,279.73/16,748,575.16 = 6,979,645.37/x
  3. Step 3: Cross multiply
    12,136,279.73x = 16,748,575.16 × 6,979,645.37
  4. Step 4: Simplify right side
    12,136,279.73x = 116,899,114,950,949.91
  5. Step 5: Solve for x
    x = 116,899,114,950,949.91/12,136,279.73
  6. Step 6: Final answer
    x = 9,632,203.41

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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.