Home / 9,389,650.82-12,958,862.40-5,521,985.06

Finding the Fourth Proportional to 9,389,650.82, 12,958,862.40 and 5,521,985.06

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Solution

The fourth proportional to 9,389,650.82, 12,958,862.40 and 5,521,985.06 is: 7,621,012.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389,650.82 : 12,958,862.40 = 5,521,985.06 : x
  2. Step 2: Convert to fraction form
    9,389,650.82/12,958,862.40 = 5,521,985.06/x
  3. Step 3: Cross multiply
    9,389,650.82x = 12,958,862.40 × 5,521,985.06
  4. Step 4: Simplify right side
    9,389,650.82x = 71,558,644,567,395.73
  5. Step 5: Solve for x
    x = 71,558,644,567,395.73/9,389,650.82
  6. Step 6: Final answer
    x = 7,621,012.32

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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.