Home / 13,916,447.33-19,205,749.20-7,722,666.50

Finding the Fourth Proportional to 13,916,447.33, 19,205,749.20 and 7,722,666.50

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Solution

The fourth proportional to 13,916,447.33, 19,205,749.20 and 7,722,666.50 is: 10,657,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916,447.33 : 19,205,749.20 = 7,722,666.50 : x
  2. Step 2: Convert to fraction form
    13,916,447.33/19,205,749.20 = 7,722,666.50/x
  3. Step 3: Cross multiply
    13,916,447.33x = 19,205,749.20 × 7,722,666.50
  4. Step 4: Simplify right side
    13,916,447.33x = 148,319,595,954,241.78
  5. Step 5: Solve for x
    x = 148,319,595,954,241.78/13,916,447.33
  6. Step 6: Final answer
    x = 10,657,863.49

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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.