Home / 5,345,999.10-8,018,998.65-5,188,535.10

Finding the Fourth Proportional to 5,345,999.10, 8,018,998.65 and 5,188,535.10

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Solution

The fourth proportional to 5,345,999.10, 8,018,998.65 and 5,188,535.10 is: 7,782,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345,999.10 : 8,018,998.65 = 5,188,535.10 : x
  2. Step 2: Convert to fraction form
    5,345,999.10/8,018,998.65 = 5,188,535.10/x
  3. Step 3: Cross multiply
    5,345,999.10x = 8,018,998.65 × 5,188,535.10
  4. Step 4: Simplify right side
    5,345,999.10x = 41,606,855,962,377.62
  5. Step 5: Solve for x
    x = 41,606,855,962,377.62/5,345,999.10
  6. Step 6: Final answer
    x = 7,782,802.65

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Double scale
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Similar ratio
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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.