Home / 11,531,814.54-15,917,911.78-6,638,986.70

Finding the Fourth Proportional to 11,531,814.54, 15,917,911.78 and 6,638,986.70

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Solution

The fourth proportional to 11,531,814.54, 15,917,911.78 and 6,638,986.70 is: 9,164,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531,814.54 : 15,917,911.78 = 6,638,986.70 : x
  2. Step 2: Convert to fraction form
    11,531,814.54/15,917,911.78 = 6,638,986.70/x
  3. Step 3: Cross multiply
    11,531,814.54x = 15,917,911.78 × 6,638,986.70
  4. Step 4: Simplify right side
    11,531,814.54x = 105,678,804,599,193.33
  5. Step 5: Solve for x
    x = 105,678,804,599,193.33/11,531,814.54
  6. Step 6: Final answer
    x = 9,164,108.93

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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.