Home / 8,711,728.53-12,021,691.57-4,844,166.65

Finding the Fourth Proportional to 8,711,728.53, 12,021,691.57 and 4,844,166.65

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Solution

The fourth proportional to 8,711,728.53, 12,021,691.57 and 4,844,166.65 is: 6,684,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,728.53 : 12,021,691.57 = 4,844,166.65 : x
  2. Step 2: Convert to fraction form
    8,711,728.53/12,021,691.57 = 4,844,166.65/x
  3. Step 3: Cross multiply
    8,711,728.53x = 12,021,691.57 × 4,844,166.65
  4. Step 4: Simplify right side
    8,711,728.53x = 58,235,077,379,980.15
  5. Step 5: Solve for x
    x = 58,235,077,379,980.15/8,711,728.53
  6. Step 6: Final answer
    x = 6,684,675.40

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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.