Home / 16,899,166.78-23,320,861.95-9,164,206.78

Finding the Fourth Proportional to 16,899,166.78, 23,320,861.95 and 9,164,206.78

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Solution

The fourth proportional to 16,899,166.78, 23,320,861.95 and 9,164,206.78 is: 12,646,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899,166.78 : 23,320,861.95 = 9,164,206.78 : x
  2. Step 2: Convert to fraction form
    16,899,166.78/23,320,861.95 = 9,164,206.78/x
  3. Step 3: Cross multiply
    16,899,166.78x = 23,320,861.95 × 9,164,206.78
  4. Step 4: Simplify right side
    16,899,166.78x = 213,717,201,197,634
  5. Step 5: Solve for x
    x = 213,717,201,197,634/16,899,166.78
  6. Step 6: Final answer
    x = 12,646,611.75

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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.