Home / 11,426,590.56-17,129,796.65-8,742,896.60

Finding the Fourth Proportional to 11,426,590.56, 17,129,796.65 and 8,742,896.60

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Solution

The fourth proportional to 11,426,590.56, 17,129,796.65 and 8,742,896.60 is: 13,106,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426,590.56 : 17,129,796.65 = 8,742,896.60 : x
  2. Step 2: Convert to fraction form
    11,426,590.56/17,129,796.65 = 8,742,896.60/x
  3. Step 3: Cross multiply
    11,426,590.56x = 17,129,796.65 × 8,742,896.60
  4. Step 4: Simplify right side
    11,426,590.56x = 149,764,040,760,612.94
  5. Step 5: Solve for x
    x = 149,764,040,760,612.94/11,426,590.56
  6. Step 6: Final answer
    x = 13,106,625.29

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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.