Home / 13,000,983.43-17,941,013.74-7,419,129.89

Finding the Fourth Proportional to 13,000,983.43, 17,941,013.74 and 7,419,129.89

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Solution

The fourth proportional to 13,000,983.43, 17,941,013.74 and 7,419,129.89 is: 10,238,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,983.43 : 17,941,013.74 = 7,419,129.89 : x
  2. Step 2: Convert to fraction form
    13,000,983.43/17,941,013.74 = 7,419,129.89/x
  3. Step 3: Cross multiply
    13,000,983.43x = 17,941,013.74 × 7,419,129.89
  4. Step 4: Simplify right side
    13,000,983.43x = 133,106,711,258,239.03
  5. Step 5: Solve for x
    x = 133,106,711,258,239.03/13,000,983.43
  6. Step 6: Final answer
    x = 10,238,203.29

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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.