Home / 8,200,176.72-11,318,432.52-4,715,896.20

Finding the Fourth Proportional to 8,200,176.72, 11,318,432.52 and 4,715,896.20

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Solution

The fourth proportional to 8,200,176.72, 11,318,432.52 and 4,715,896.20 is: 6,509,195.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200,176.72 : 11,318,432.52 = 4,715,896.20 : x
  2. Step 2: Convert to fraction form
    8,200,176.72/11,318,432.52 = 4,715,896.20/x
  3. Step 3: Cross multiply
    8,200,176.72x = 11,318,432.52 × 4,715,896.20
  4. Step 4: Simplify right side
    8,200,176.72x = 53,376,552,911,024.42
  5. Step 5: Solve for x
    x = 53,376,552,911,024.42/8,200,176.72
  6. Step 6: Final answer
    x = 6,509,195.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.