Home / 10,787,653.80-16,181,480.70-9,705,234.60

Finding the Fourth Proportional to 10,787,653.80, 16,181,480.70 and 9,705,234.60

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Solution

The fourth proportional to 10,787,653.80, 16,181,480.70 and 9,705,234.60 is: 14,557,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,653.80 : 16,181,480.70 = 9,705,234.60 : x
  2. Step 2: Convert to fraction form
    10,787,653.80/16,181,480.70 = 9,705,234.60/x
  3. Step 3: Cross multiply
    10,787,653.80x = 16,181,480.70 × 9,705,234.60
  4. Step 4: Simplify right side
    10,787,653.80x = 157,045,066,368,872.22
  5. Step 5: Solve for x
    x = 157,045,066,368,872.22/10,787,653.80
  6. Step 6: Final answer
    x = 14,557,851.90

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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.