Home / 12,215,350.48-18,323,015.30-3,117,447.34

Finding the Fourth Proportional to 12,215,350.48, 18,323,015.30 and 3,117,447.34

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Solution

The fourth proportional to 12,215,350.48, 18,323,015.30 and 3,117,447.34 is: 4,676,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,350.48 : 18,323,015.30 = 3,117,447.34 : x
  2. Step 2: Convert to fraction form
    12,215,350.48/18,323,015.30 = 3,117,447.34/x
  3. Step 3: Cross multiply
    12,215,350.48x = 18,323,015.30 × 3,117,447.34
  4. Step 4: Simplify right side
    12,215,350.48x = 57,121,035,307,764.30
  5. Step 5: Solve for x
    x = 57,121,035,307,764.30/12,215,350.48
  6. Step 6: Final answer
    x = 4,676,168.35

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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.