Home / 7,943,643.04-10,961,899.92-4,321,985.44

Finding the Fourth Proportional to 7,943,643.04, 10,961,899.92 and 4,321,985.44

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Solution

The fourth proportional to 7,943,643.04, 10,961,899.92 and 4,321,985.44 is: 5,964,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943,643.04 : 10,961,899.92 = 4,321,985.44 : x
  2. Step 2: Convert to fraction form
    7,943,643.04/10,961,899.92 = 4,321,985.44/x
  3. Step 3: Cross multiply
    7,943,643.04x = 10,961,899.92 × 4,321,985.44
  4. Step 4: Simplify right side
    7,943,643.04x = 47,377,171,848,977.17
  5. Step 5: Solve for x
    x = 47,377,171,848,977.17/7,943,643.04
  6. Step 6: Final answer
    x = 5,964,161.73

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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.