Home / 5,154,139.52-7,112,798.44-2,831,247.44

Finding the Fourth Proportional to 5,154,139.52, 7,112,798.44 and 2,831,247.44

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Solution

The fourth proportional to 5,154,139.52, 7,112,798.44 and 2,831,247.44 is: 3,907,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,139.52 : 7,112,798.44 = 2,831,247.44 : x
  2. Step 2: Convert to fraction form
    5,154,139.52/7,112,798.44 = 2,831,247.44/x
  3. Step 3: Cross multiply
    5,154,139.52x = 7,112,798.44 × 2,831,247.44
  4. Step 4: Simplify right side
    5,154,139.52x = 20,138,092,374,486.00
  5. Step 5: Solve for x
    x = 20,138,092,374,486.00/5,154,139.52
  6. Step 6: Final answer
    x = 3,907,168.65

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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.