Home / 13,122,456.40-19,683,684.60-10,729,003.60

Finding the Fourth Proportional to 13,122,456.40, 19,683,684.60 and 10,729,003.60

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Solution

The fourth proportional to 13,122,456.40, 19,683,684.60 and 10,729,003.60 is: 16,093,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,456.40 : 19,683,684.60 = 10,729,003.60 : x
  2. Step 2: Convert to fraction form
    13,122,456.40/19,683,684.60 = 10,729,003.60/x
  3. Step 3: Cross multiply
    13,122,456.40x = 19,683,684.60 × 10,729,003.60
  4. Step 4: Simplify right side
    13,122,456.40x = 211,186,322,934,664.56
  5. Step 5: Solve for x
    x = 211,186,322,934,664.56/13,122,456.40
  6. Step 6: Final answer
    x = 16,093,505.40

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1.5x scale

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.