Home / 7,100,905.87-10,627,889.86-6,462,811.28

Finding the Fourth Proportional to 7,100,905.87, 10,627,889.86 and 6,462,811.28

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Solution

The fourth proportional to 7,100,905.87, 10,627,889.86 and 6,462,811.28 is: 9,672,856.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,905.87 : 10,627,889.86 = 6,462,811.28 : x
  2. Step 2: Convert to fraction form
    7,100,905.87/10,627,889.86 = 6,462,811.28/x
  3. Step 3: Cross multiply
    7,100,905.87x = 10,627,889.86 × 6,462,811.28
  4. Step 4: Simplify right side
    7,100,905.87x = 68,686,046,384,352.12
  5. Step 5: Solve for x
    x = 68,686,046,384,352.12/7,100,905.87
  6. Step 6: Final answer
    x = 9,672,856.91

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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.