Home / 12,860,371.38-17,739,239.77-7,629,676.32

Finding the Fourth Proportional to 12,860,371.38, 17,739,239.77 and 7,629,676.32

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Solution

The fourth proportional to 12,860,371.38, 17,739,239.77 and 7,629,676.32 is: 10,524,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860,371.38 : 17,739,239.77 = 7,629,676.32 : x
  2. Step 2: Convert to fraction form
    12,860,371.38/17,739,239.77 = 7,629,676.32/x
  3. Step 3: Cross multiply
    12,860,371.38x = 17,739,239.77 × 7,629,676.32
  4. Step 4: Simplify right side
    12,860,371.38x = 135,344,657,588,897.05
  5. Step 5: Solve for x
    x = 135,344,657,588,897.05/12,860,371.38
  6. Step 6: Final answer
    x = 10,524,164.01

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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.