Home / 8,423,065.08-12,601,354.80-6,379,613.70

Finding the Fourth Proportional to 8,423,065.08, 12,601,354.80 and 6,379,613.70

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Solution

The fourth proportional to 8,423,065.08, 12,601,354.80 and 6,379,613.70 is: 9,544,242.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,065.08 : 12,601,354.80 = 6,379,613.70 : x
  2. Step 2: Convert to fraction form
    8,423,065.08/12,601,354.80 = 6,379,613.70/x
  3. Step 3: Cross multiply
    8,423,065.08x = 12,601,354.80 × 6,379,613.70
  4. Step 4: Simplify right side
    8,423,065.08x = 80,391,775,720,640.77
  5. Step 5: Solve for x
    x = 80,391,775,720,640.77/8,423,065.08
  6. Step 6: Final answer
    x = 9,544,242.50

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1.5x scale

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.