Home / 12,397,174.26-18,564,834.37-7,834,458.03

Finding the Fourth Proportional to 12,397,174.26, 18,564,834.37 and 7,834,458.03

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Solution

The fourth proportional to 12,397,174.26, 18,564,834.37 and 7,834,458.03 is: 11,732,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397,174.26 : 18,564,834.37 = 7,834,458.03 : x
  2. Step 2: Convert to fraction form
    12,397,174.26/18,564,834.37 = 7,834,458.03/x
  3. Step 3: Cross multiply
    12,397,174.26x = 18,564,834.37 × 7,834,458.03
  4. Step 4: Simplify right side
    12,397,174.26x = 145,445,415,705,666.50
  5. Step 5: Solve for x
    x = 145,445,415,705,666.50/12,397,174.26
  6. Step 6: Final answer
    x = 11,732,142.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.