Home / 11,388,379.93-15,701,708.39-9,505,114.58

Finding the Fourth Proportional to 11,388,379.93, 15,701,708.39 and 9,505,114.58

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Solution

The fourth proportional to 11,388,379.93, 15,701,708.39 and 9,505,114.58 is: 13,105,159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388,379.93 : 15,701,708.39 = 9,505,114.58 : x
  2. Step 2: Convert to fraction form
    11,388,379.93/15,701,708.39 = 9,505,114.58/x
  3. Step 3: Cross multiply
    11,388,379.93x = 15,701,708.39 × 9,505,114.58
  4. Step 4: Simplify right side
    11,388,379.93x = 149,246,537,340,426
  5. Step 5: Solve for x
    x = 149,246,537,340,426/11,388,379.93
  6. Step 6: Final answer
    x = 13,105,159.67

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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.