Home / 6,947,314.60-10,421,976.54-2,628,193.72

Finding the Fourth Proportional to 6,947,314.60, 10,421,976.54 and 2,628,193.72

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Solution

The fourth proportional to 6,947,314.60, 10,421,976.54 and 2,628,193.72 is: 3,942,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,947,314.60 : 10,421,976.54 = 2,628,193.72 : x
  2. Step 2: Convert to fraction form
    6,947,314.60/10,421,976.54 = 2,628,193.72/x
  3. Step 3: Cross multiply
    6,947,314.60x = 10,421,976.54 × 2,628,193.72
  4. Step 4: Simplify right side
    6,947,314.60x = 27,390,973,240,305.44
  5. Step 5: Solve for x
    x = 27,390,973,240,305.44/6,947,314.60
  6. Step 6: Final answer
    x = 3,942,670.63

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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.