Home / 13,135,913.57-18,127,452.31-7,175,325.26

Finding the Fourth Proportional to 13,135,913.57, 18,127,452.31 and 7,175,325.26

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Solution

The fourth proportional to 13,135,913.57, 18,127,452.31 and 7,175,325.26 is: 9,901,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,913.57 : 18,127,452.31 = 7,175,325.26 : x
  2. Step 2: Convert to fraction form
    13,135,913.57/18,127,452.31 = 7,175,325.26/x
  3. Step 3: Cross multiply
    13,135,913.57x = 18,127,452.31 × 7,175,325.26
  4. Step 4: Simplify right side
    13,135,913.57x = 130,070,366,486,768.67
  5. Step 5: Solve for x
    x = 130,070,366,486,768.67/13,135,913.57
  6. Step 6: Final answer
    x = 9,901,889.64

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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.