Home / 10,787,634.80-16,181,452.20-9,705,215.60

Finding the Fourth Proportional to 10,787,634.80, 16,181,452.20 and 9,705,215.60

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Solution

The fourth proportional to 10,787,634.80, 16,181,452.20 and 9,705,215.60 is: 14,557,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787,634.80 : 16,181,452.20 = 9,705,215.60 : x
  2. Step 2: Convert to fraction form
    10,787,634.80/16,181,452.20 = 9,705,215.60/x
  3. Step 3: Cross multiply
    10,787,634.80x = 16,181,452.20 × 9,705,215.60
  4. Step 4: Simplify right side
    10,787,634.80x = 157,044,482,322,094.31
  5. Step 5: Solve for x
    x = 157,044,482,322,094.31/10,787,634.80
  6. Step 6: Final answer
    x = 14,557,823.40

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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.