Home / 19,155,072.40-28,732,608.60-5,691,900.40

Finding the Fourth Proportional to 19,155,072.40, 28,732,608.60 and 5,691,900.40

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Solution

The fourth proportional to 19,155,072.40, 28,732,608.60 and 5,691,900.40 is: 8,537,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,072.40 : 28,732,608.60 = 5,691,900.40 : x
  2. Step 2: Convert to fraction form
    19,155,072.40/28,732,608.60 = 5,691,900.40/x
  3. Step 3: Cross multiply
    19,155,072.40x = 28,732,608.60 × 5,691,900.40
  4. Step 4: Simplify right side
    19,155,072.40x = 163,543,146,383,383.47
  5. Step 5: Solve for x
    x = 163,543,146,383,383.47/19,155,072.40
  6. Step 6: Final answer
    x = 8,537,850.60

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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.