Home / 12,397,175.26-18,564,835.86-7,834,459.02

Finding the Fourth Proportional to 12,397,175.26, 18,564,835.86 and 7,834,459.02

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Solution

The fourth proportional to 12,397,175.26, 18,564,835.86 and 7,834,459.02 is: 11,732,144.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397,175.26 : 18,564,835.86 = 7,834,459.02 : x
  2. Step 2: Convert to fraction form
    12,397,175.26/18,564,835.86 = 7,834,459.02/x
  3. Step 3: Cross multiply
    12,397,175.26x = 18,564,835.86 × 7,834,459.02
  4. Step 4: Simplify right side
    12,397,175.26x = 145,445,445,758,196.44
  5. Step 5: Solve for x
    x = 145,445,445,758,196.44/12,397,175.26
  6. Step 6: Final answer
    x = 11,732,144.03

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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.