Home / 20,928,021.40-29,366,414.60-20,928,021.40

Finding the Fourth Proportional to 20,928,021.40, 29,366,414.60 and 20,928,021.40

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Solution

The fourth proportional to 20,928,021.40, 29,366,414.60 and 20,928,021.40 is: 29,366,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,928,021.40 : 29,366,414.60 = 20,928,021.40 : x
  2. Step 2: Convert to fraction form
    20,928,021.40/29,366,414.60 = 20,928,021.40/x
  3. Step 3: Cross multiply
    20,928,021.40x = 29,366,414.60 × 20,928,021.40
  4. Step 4: Simplify right side
    20,928,021.40x = 614,580,953,190,072.38
  5. Step 5: Solve for x
    x = 614,580,953,190,072.38/20,928,021.40
  6. Step 6: Final answer
    x = 29,366,414.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.