Home / 12,108,009.52-18,166,442.96-5,634,172.41

Finding the Fourth Proportional to 12,108,009.52, 18,166,442.96 and 5,634,172.41

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Solution

The fourth proportional to 12,108,009.52, 18,166,442.96 and 5,634,172.41 is: 8,453,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,009.52 : 18,166,442.96 = 5,634,172.41 : x
  2. Step 2: Convert to fraction form
    12,108,009.52/18,166,442.96 = 5,634,172.41/x
  3. Step 3: Cross multiply
    12,108,009.52x = 18,166,442.96 × 5,634,172.41
  4. Step 4: Simplify right side
    12,108,009.52x = 102,352,871,659,032
  5. Step 5: Solve for x
    x = 102,352,871,659,032/12,108,009.52
  6. Step 6: Final answer
    x = 8,453,319.39

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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.