Home / 14,947,681.33-20,627,799.87-8,072,162.79

Finding the Fourth Proportional to 14,947,681.33, 20,627,799.87 and 8,072,162.79

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Solution

The fourth proportional to 14,947,681.33, 20,627,799.87 and 8,072,162.79 is: 11,139,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,681.33 : 20,627,799.87 = 8,072,162.79 : x
  2. Step 2: Convert to fraction form
    14,947,681.33/20,627,799.87 = 8,072,162.79/x
  3. Step 3: Cross multiply
    14,947,681.33x = 20,627,799.87 × 8,072,162.79
  4. Step 4: Simplify right side
    14,947,681.33x = 166,510,958,550,180.84
  5. Step 5: Solve for x
    x = 166,510,958,550,180.84/14,947,681.33
  6. Step 6: Final answer
    x = 11,139,584.45

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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.