Home / 19,331,494.23-26,678,419.71-11,991,692.26

Finding the Fourth Proportional to 19,331,494.23, 26,678,419.71 and 11,991,692.26

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Solution

The fourth proportional to 19,331,494.23, 26,678,419.71 and 11,991,692.26 is: 16,549,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331,494.23 : 26,678,419.71 = 11,991,692.26 : x
  2. Step 2: Convert to fraction form
    19,331,494.23/26,678,419.71 = 11,991,692.26/x
  3. Step 3: Cross multiply
    19,331,494.23x = 26,678,419.71 × 11,991,692.26
  4. Step 4: Simplify right side
    19,331,494.23x = 319,919,398,997,056.75
  5. Step 5: Solve for x
    x = 319,919,398,997,056.75/19,331,494.23
  6. Step 6: Final answer
    x = 16,549,129.37

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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.