Home / 11,555,969.90-15,947,224.08-6,399,325.22

Finding the Fourth Proportional to 11,555,969.90, 15,947,224.08 and 6,399,325.22

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Solution

The fourth proportional to 11,555,969.90, 15,947,224.08 and 6,399,325.22 is: 8,831,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,969.90 : 15,947,224.08 = 6,399,325.22 : x
  2. Step 2: Convert to fraction form
    11,555,969.90/15,947,224.08 = 6,399,325.22/x
  3. Step 3: Cross multiply
    11,555,969.90x = 15,947,224.08 × 6,399,325.22
  4. Step 4: Simplify right side
    11,555,969.90x = 102,051,473,252,070.59
  5. Step 5: Solve for x
    x = 102,051,473,252,070.59/11,555,969.90
  6. Step 6: Final answer
    x = 8,831,060.84

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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.