Home / 13,929,371.75-19,222,533-7,817,800.25

Finding the Fourth Proportional to 13,929,371.75, 19,222,533 and 7,817,800.25

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Solution

The fourth proportional to 13,929,371.75, 19,222,533 and 7,817,800.25 is: 10,788,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,371.75 : 19,222,533 = 7,817,800.25 : x
  2. Step 2: Convert to fraction form
    13,929,371.75/19,222,533 = 7,817,800.25/x
  3. Step 3: Cross multiply
    13,929,371.75x = 19,222,533 × 7,817,800.25
  4. Step 4: Simplify right side
    13,929,371.75x = 150,277,923,196,920.59
  5. Step 5: Solve for x
    x = 150,277,923,196,920.59/13,929,371.75
  6. Step 6: Final answer
    x = 10,788,564.33

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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.