Home / 13,135,827.57-18,127,333.81-7,175,239.29

Finding the Fourth Proportional to 13,135,827.57, 18,127,333.81 and 7,175,239.29

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Solution

The fourth proportional to 13,135,827.57, 18,127,333.81 and 7,175,239.29 is: 9,901,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,827.57 : 18,127,333.81 = 7,175,239.29 : x
  2. Step 2: Convert to fraction form
    13,135,827.57/18,127,333.81 = 7,175,239.29/x
  3. Step 3: Cross multiply
    13,135,827.57x = 18,127,333.81 × 7,175,239.29
  4. Step 4: Simplify right side
    13,135,827.57x = 130,067,957,785,426.45
  5. Step 5: Solve for x
    x = 130,067,957,785,426.45/13,135,827.57
  6. Step 6: Final answer
    x = 9,901,771.10

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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.