Home / 19,928,717.40-29,893,076.10-7,150,513.80

Finding the Fourth Proportional to 19,928,717.40, 29,893,076.10 and 7,150,513.80

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Solution

The fourth proportional to 19,928,717.40, 29,893,076.10 and 7,150,513.80 is: 10,725,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,717.40 : 29,893,076.10 = 7,150,513.80 : x
  2. Step 2: Convert to fraction form
    19,928,717.40/29,893,076.10 = 7,150,513.80/x
  3. Step 3: Cross multiply
    19,928,717.40x = 29,893,076.10 × 7,150,513.80
  4. Step 4: Simplify right side
    19,928,717.40x = 213,750,853,177,500.19
  5. Step 5: Solve for x
    x = 213,750,853,177,500.19/19,928,717.40
  6. Step 6: Final answer
    x = 10,725,770.70

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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.