Home / 16,939,971.78-23,377,289.70-9,205,055.80

Finding the Fourth Proportional to 16,939,971.78, 23,377,289.70 and 9,205,055.80

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Solution

The fourth proportional to 16,939,971.78, 23,377,289.70 and 9,205,055.80 is: 12,703,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939,971.78 : 23,377,289.70 = 9,205,055.80 : x
  2. Step 2: Convert to fraction form
    16,939,971.78/23,377,289.70 = 9,205,055.80/x
  3. Step 3: Cross multiply
    16,939,971.78x = 23,377,289.70 × 9,205,055.80
  4. Step 4: Simplify right side
    16,939,971.78x = 215,189,256,141,265.28
  5. Step 5: Solve for x
    x = 215,189,256,141,265.28/16,939,971.78
  6. Step 6: Final answer
    x = 12,703,046.91

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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.