Home / 18,973,400.22-28,459,583.64-5,326,659.66

Finding the Fourth Proportional to 18,973,400.22, 28,459,583.64 and 5,326,659.66

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Solution

The fourth proportional to 18,973,400.22, 28,459,583.64 and 5,326,659.66 is: 7,989,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973,400.22 : 28,459,583.64 = 5,326,659.66 : x
  2. Step 2: Convert to fraction form
    18,973,400.22/28,459,583.64 = 5,326,659.66/x
  3. Step 3: Cross multiply
    18,973,400.22x = 28,459,583.64 × 5,326,659.66
  4. Step 4: Simplify right side
    18,973,400.22x = 151,594,516,115,583.97
  5. Step 5: Solve for x
    x = 151,594,516,115,583.97/18,973,400.22
  6. Step 6: Final answer
    x = 7,989,844.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.