Home / 13,422,823.74-20,130,560.96-3,705,113.66

Finding the Fourth Proportional to 13,422,823.74, 20,130,560.96 and 3,705,113.66

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Solution

The fourth proportional to 13,422,823.74, 20,130,560.96 and 3,705,113.66 is: 5,556,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,823.74 : 20,130,560.96 = 3,705,113.66 : x
  2. Step 2: Convert to fraction form
    13,422,823.74/20,130,560.96 = 3,705,113.66/x
  3. Step 3: Cross multiply
    13,422,823.74x = 20,130,560.96 × 3,705,113.66
  4. Step 4: Simplify right side
    13,422,823.74x = 74,586,016,277,180.33
  5. Step 5: Solve for x
    x = 74,586,016,277,180.33/13,422,823.74
  6. Step 6: Final answer
    x = 5,556,656.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.