Home / 12,272,065.82-18,413,521.09-6,434,857.55

Finding the Fourth Proportional to 12,272,065.82, 18,413,521.09 and 6,434,857.55

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Solution

The fourth proportional to 12,272,065.82, 18,413,521.09 and 6,434,857.55 is: 9,655,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,065.82 : 18,413,521.09 = 6,434,857.55 : x
  2. Step 2: Convert to fraction form
    12,272,065.82/18,413,521.09 = 6,434,857.55/x
  3. Step 3: Cross multiply
    12,272,065.82x = 18,413,521.09 × 6,434,857.55
  4. Step 4: Simplify right side
    12,272,065.82x = 118,488,385,238,017.39
  5. Step 5: Solve for x
    x = 118,488,385,238,017.39/12,272,065.82
  6. Step 6: Final answer
    x = 9,655,129.54

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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.