Home / 11,711,590.72-16,158,311.04-6,554,132.80

Finding the Fourth Proportional to 11,711,590.72, 16,158,311.04 and 6,554,132.80

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Solution

The fourth proportional to 11,711,590.72, 16,158,311.04 and 6,554,132.80 is: 9,042,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711,590.72 : 16,158,311.04 = 6,554,132.80 : x
  2. Step 2: Convert to fraction form
    11,711,590.72/16,158,311.04 = 6,554,132.80/x
  3. Step 3: Cross multiply
    11,711,590.72x = 16,158,311.04 × 6,554,132.80
  4. Step 4: Simplify right side
    11,711,590.72x = 105,903,716,379,866.11
  5. Step 5: Solve for x
    x = 105,903,716,379,866.11/11,711,590.72
  6. Step 6: Final answer
    x = 9,042,641.51

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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.