Home / 8,147,828.75-11,241,222.80-5,049,221.51

Finding the Fourth Proportional to 8,147,828.75, 11,241,222.80 and 5,049,221.51

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Solution

The fourth proportional to 8,147,828.75, 11,241,222.80 and 5,049,221.51 is: 6,966,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,828.75 : 11,241,222.80 = 5,049,221.51 : x
  2. Step 2: Convert to fraction form
    8,147,828.75/11,241,222.80 = 5,049,221.51/x
  3. Step 3: Cross multiply
    8,147,828.75x = 11,241,222.80 × 5,049,221.51
  4. Step 4: Simplify right side
    8,147,828.75x = 56,759,424,001,188.54
  5. Step 5: Solve for x
    x = 56,759,424,001,188.54/8,147,828.75
  6. Step 6: Final answer
    x = 6,966,202.38

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1.5x scale

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.