Home / 11,831,673.76-16,327,711-6,399,165.76

Finding the Fourth Proportional to 11,831,673.76, 16,327,711 and 6,399,165.76

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Solution

The fourth proportional to 11,831,673.76, 16,327,711 and 6,399,165.76 is: 8,830,849.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,673.76 : 16,327,711 = 6,399,165.76 : x
  2. Step 2: Convert to fraction form
    11,831,673.76/16,327,711 = 6,399,165.76/x
  3. Step 3: Cross multiply
    11,831,673.76x = 16,327,711 × 6,399,165.76
  4. Step 4: Simplify right side
    11,831,673.76x = 104,483,729,170,375.36
  5. Step 5: Solve for x
    x = 104,483,729,170,375.36/11,831,673.76
  6. Step 6: Final answer
    x = 8,830,849.40

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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.