Home / 19,770,392.40-29,655,588.60-11,807,768.40

Finding the Fourth Proportional to 19,770,392.40, 29,655,588.60 and 11,807,768.40

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Solution

The fourth proportional to 19,770,392.40, 29,655,588.60 and 11,807,768.40 is: 17,711,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,770,392.40 : 29,655,588.60 = 11,807,768.40 : x
  2. Step 2: Convert to fraction form
    19,770,392.40/29,655,588.60 = 11,807,768.40/x
  3. Step 3: Cross multiply
    19,770,392.40x = 29,655,588.60 × 11,807,768.40
  4. Step 4: Simplify right side
    19,770,392.40x = 350,166,321,954,480.25
  5. Step 5: Solve for x
    x = 350,166,321,954,480.25/19,770,392.40
  6. Step 6: Final answer
    x = 17,711,652.60

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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.