Home / 5,109,852.20-7,655,447.10-4,158,069.80

Finding the Fourth Proportional to 5,109,852.20, 7,655,447.10 and 4,158,069.80

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Solution

The fourth proportional to 5,109,852.20, 7,655,447.10 and 4,158,069.80 is: 6,229,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,852.20 : 7,655,447.10 = 4,158,069.80 : x
  2. Step 2: Convert to fraction form
    5,109,852.20/7,655,447.10 = 4,158,069.80/x
  3. Step 3: Cross multiply
    5,109,852.20x = 7,655,447.10 × 4,158,069.80
  4. Step 4: Simplify right side
    5,109,852.20x = 31,831,883,392,007.58
  5. Step 5: Solve for x
    x = 31,831,883,392,007.58/5,109,852.20
  6. Step 6: Final answer
    x = 6,229,511.57

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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.