Home / 10,784,215.60-16,176,323.40-8,375,016.40

Finding the Fourth Proportional to 10,784,215.60, 16,176,323.40 and 8,375,016.40

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Solution

The fourth proportional to 10,784,215.60, 16,176,323.40 and 8,375,016.40 is: 12,562,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784,215.60 : 16,176,323.40 = 8,375,016.40 : x
  2. Step 2: Convert to fraction form
    10,784,215.60/16,176,323.40 = 8,375,016.40/x
  3. Step 3: Cross multiply
    10,784,215.60x = 16,176,323.40 × 8,375,016.40
  4. Step 4: Simplify right side
    10,784,215.60x = 135,476,973,766,703.77
  5. Step 5: Solve for x
    x = 135,476,973,766,703.77/10,784,215.60
  6. Step 6: Final answer
    x = 12,562,524.60

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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.