Home / 17,881,350.12-26,782,919.48-12,678,187.82

Finding the Fourth Proportional to 17,881,350.12, 26,782,919.48 and 12,678,187.82

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Solution

The fourth proportional to 17,881,350.12, 26,782,919.48 and 12,678,187.82 is: 18,989,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881,350.12 : 26,782,919.48 = 12,678,187.82 : x
  2. Step 2: Convert to fraction form
    17,881,350.12/26,782,919.48 = 12,678,187.82/x
  3. Step 3: Cross multiply
    17,881,350.12x = 26,782,919.48 × 12,678,187.82
  4. Step 4: Simplify right side
    17,881,350.12x = 339,558,883,433,157.62
  5. Step 5: Solve for x
    x = 339,558,883,433,157.62/17,881,350.12
  6. Step 6: Final answer
    x = 18,989,555.10

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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.