Home / 13,099,303.22-18,077,109.59-7,517,105.26

Finding the Fourth Proportional to 13,099,303.22, 18,077,109.59 and 7,517,105.26

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Solution

The fourth proportional to 13,099,303.22, 18,077,109.59 and 7,517,105.26 is: 10,373,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099,303.22 : 18,077,109.59 = 7,517,105.26 : x
  2. Step 2: Convert to fraction form
    13,099,303.22/18,077,109.59 = 7,517,105.26/x
  3. Step 3: Cross multiply
    13,099,303.22x = 18,077,109.59 × 7,517,105.26
  4. Step 4: Simplify right side
    13,099,303.22x = 135,887,535,583,690.88
  5. Step 5: Solve for x
    x = 135,887,535,583,690.88/13,099,303.22
  6. Step 6: Final answer
    x = 10,373,646.08

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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.