Home / 11,831,667.50-16,327,702.36-6,399,159.50

Finding the Fourth Proportional to 11,831,667.50, 16,327,702.36 and 6,399,159.50

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Solution

The fourth proportional to 11,831,667.50, 16,327,702.36 and 6,399,159.50 is: 8,830,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,667.50 : 16,327,702.36 = 6,399,159.50 : x
  2. Step 2: Convert to fraction form
    11,831,667.50/16,327,702.36 = 6,399,159.50/x
  3. Step 3: Cross multiply
    11,831,667.50x = 16,327,702.36 × 6,399,159.50
  4. Step 4: Simplify right side
    11,831,667.50x = 104,483,571,670,166.42
  5. Step 5: Solve for x
    x = 104,483,571,670,166.42/11,831,667.50
  6. Step 6: Final answer
    x = 8,830,840.76

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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.