Home / 10,368,435.70-15,552,653.55-3,181,078.90

Finding the Fourth Proportional to 10,368,435.70, 15,552,653.55 and 3,181,078.90

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Solution

The fourth proportional to 10,368,435.70, 15,552,653.55 and 3,181,078.90 is: 4,771,618.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,435.70 : 15,552,653.55 = 3,181,078.90 : x
  2. Step 2: Convert to fraction form
    10,368,435.70/15,552,653.55 = 3,181,078.90/x
  3. Step 3: Cross multiply
    10,368,435.70x = 15,552,653.55 × 3,181,078.90
  4. Step 4: Simplify right side
    10,368,435.70x = 49,474,218,046,915.09
  5. Step 5: Solve for x
    x = 49,474,218,046,915.09/10,368,435.70
  6. Step 6: Final answer
    x = 4,771,618.35

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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.