Home / 12,137,675.18-18,193,796.37-5,655,405.51

Finding the Fourth Proportional to 12,137,675.18, 18,193,796.37 and 5,655,405.51

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Solution

The fourth proportional to 12,137,675.18, 18,193,796.37 and 5,655,405.51 is: 8,477,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,137,675.18 : 18,193,796.37 = 5,655,405.51 : x
  2. Step 2: Convert to fraction form
    12,137,675.18/18,193,796.37 = 5,655,405.51/x
  3. Step 3: Cross multiply
    12,137,675.18x = 18,193,796.37 × 5,655,405.51
  4. Step 4: Simplify right side
    12,137,675.18x = 102,893,296,238,716
  5. Step 5: Solve for x
    x = 102,893,296,238,716/12,137,675.18
  6. Step 6: Final answer
    x = 8,477,183.21

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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.