Home / 7,711,876.25-10,636,183.80-6,779,590.69

Finding the Fourth Proportional to 7,711,876.25, 10,636,183.80 and 6,779,590.69

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Solution

The fourth proportional to 7,711,876.25, 10,636,183.80 and 6,779,590.69 is: 9,350,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,876.25 : 10,636,183.80 = 6,779,590.69 : x
  2. Step 2: Convert to fraction form
    7,711,876.25/10,636,183.80 = 6,779,590.69/x
  3. Step 3: Cross multiply
    7,711,876.25x = 10,636,183.80 × 6,779,590.69
  4. Step 4: Simplify right side
    7,711,876.25x = 72,108,972,633,710.88
  5. Step 5: Solve for x
    x = 72,108,972,633,710.88/7,711,876.25
  6. Step 6: Final answer
    x = 9,350,379.90

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Double scale
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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.