Home / 8,236,918.10-12,356,543.55-2,556,550.10

Finding the Fourth Proportional to 8,236,918.10, 12,356,543.55 and 2,556,550.10

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Solution

The fourth proportional to 8,236,918.10, 12,356,543.55 and 2,556,550.10 is: 3,835,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,236,918.10 : 12,356,543.55 = 2,556,550.10 : x
  2. Step 2: Convert to fraction form
    8,236,918.10/12,356,543.55 = 2,556,550.10/x
  3. Step 3: Cross multiply
    8,236,918.10x = 12,356,543.55 × 2,556,550.10
  4. Step 4: Simplify right side
    8,236,918.10x = 31,590,122,648,406.86
  5. Step 5: Solve for x
    x = 31,590,122,648,406.86/8,236,918.10
  6. Step 6: Final answer
    x = 3,835,187.17

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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.