Home / 11,657,108.78-16,086,914.79-6,430,317.02

Finding the Fourth Proportional to 11,657,108.78, 16,086,914.79 and 6,430,317.02

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Solution

The fourth proportional to 11,657,108.78, 16,086,914.79 and 6,430,317.02 is: 8,873,895.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657,108.78 : 16,086,914.79 = 6,430,317.02 : x
  2. Step 2: Convert to fraction form
    11,657,108.78/16,086,914.79 = 6,430,317.02/x
  3. Step 3: Cross multiply
    11,657,108.78x = 16,086,914.79 × 6,430,317.02
  4. Step 4: Simplify right side
    11,657,108.78x = 103,443,961,973,426.72
  5. Step 5: Solve for x
    x = 103,443,961,973,426.72/11,657,108.78
  6. Step 6: Final answer
    x = 8,873,895.23

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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.