Home / 17,140,325.76-23,652,854.40-9,405,175.68

Finding the Fourth Proportional to 17,140,325.76, 23,652,854.40 and 9,405,175.68

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Solution

The fourth proportional to 17,140,325.76, 23,652,854.40 and 9,405,175.68 is: 12,978,706.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140,325.76 : 23,652,854.40 = 9,405,175.68 : x
  2. Step 2: Convert to fraction form
    17,140,325.76/23,652,854.40 = 9,405,175.68/x
  3. Step 3: Cross multiply
    17,140,325.76x = 23,652,854.40 × 9,405,175.68
  4. Step 4: Simplify right side
    17,140,325.76x = 222,459,250,965,460.97
  5. Step 5: Solve for x
    x = 222,459,250,965,460.97/17,140,325.76
  6. Step 6: Final answer
    x = 12,978,706.13

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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.