Home / 10,003,112.85-13,804,309.35-5,419,434.23

Finding the Fourth Proportional to 10,003,112.85, 13,804,309.35 and 5,419,434.23

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Solution

The fourth proportional to 10,003,112.85, 13,804,309.35 and 5,419,434.23 is: 7,478,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003,112.85 : 13,804,309.35 = 5,419,434.23 : x
  2. Step 2: Convert to fraction form
    10,003,112.85/13,804,309.35 = 5,419,434.23/x
  3. Step 3: Cross multiply
    10,003,112.85x = 13,804,309.35 × 5,419,434.23
  4. Step 4: Simplify right side
    10,003,112.85x = 74,811,546,543,877.50
  5. Step 5: Solve for x
    x = 74,811,546,543,877.50/10,003,112.85
  6. Step 6: Final answer
    x = 7,478,826.61

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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.