Home / 14,212,776.46-21,319,168.44-3,979,143.60

Finding the Fourth Proportional to 14,212,776.46, 21,319,168.44 and 3,979,143.60

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Solution

The fourth proportional to 14,212,776.46, 21,319,168.44 and 3,979,143.60 is: 5,968,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,776.46 : 21,319,168.44 = 3,979,143.60 : x
  2. Step 2: Convert to fraction form
    14,212,776.46/21,319,168.44 = 3,979,143.60/x
  3. Step 3: Cross multiply
    14,212,776.46x = 21,319,168.44 × 3,979,143.60
  4. Step 4: Simplify right side
    14,212,776.46x = 84,832,032,655,347.98
  5. Step 5: Solve for x
    x = 84,832,032,655,347.98/14,212,776.46
  6. Step 6: Final answer
    x = 5,968,716.45

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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.