Home / 10,917,840.26-16,368,131.39-5,450,128.90

Finding the Fourth Proportional to 10,917,840.26, 16,368,131.39 and 5,450,128.90

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Solution

The fourth proportional to 10,917,840.26, 16,368,131.39 and 5,450,128.90 is: 8,170,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,840.26 : 16,368,131.39 = 5,450,128.90 : x
  2. Step 2: Convert to fraction form
    10,917,840.26/16,368,131.39 = 5,450,128.90/x
  3. Step 3: Cross multiply
    10,917,840.26x = 16,368,131.39 × 5,450,128.90
  4. Step 4: Simplify right side
    10,917,840.26x = 89,208,425,927,636.19
  5. Step 5: Solve for x
    x = 89,208,425,927,636.19/10,917,840.26
  6. Step 6: Final answer
    x = 8,170,885.80

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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.