Home / 10,786,523.60-16,158,790.20-6,514,000.40

Finding the Fourth Proportional to 10,786,523.60, 16,158,790.20 and 6,514,000.40

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Solution

The fourth proportional to 10,786,523.60, 16,158,790.20 and 6,514,000.40 is: 9,758,321.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786,523.60 : 16,158,790.20 = 6,514,000.40 : x
  2. Step 2: Convert to fraction form
    10,786,523.60/16,158,790.20 = 6,514,000.40/x
  3. Step 3: Cross multiply
    10,786,523.60x = 16,158,790.20 × 6,514,000.40
  4. Step 4: Simplify right side
    10,786,523.60x = 105,258,365,826,316.08
  5. Step 5: Solve for x
    x = 105,258,365,826,316.08/10,786,523.60
  6. Step 6: Final answer
    x = 9,758,321.56

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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.