Home / 14,212,774.45-21,319,165.44-3,979,141.59

Finding the Fourth Proportional to 14,212,774.45, 21,319,165.44 and 3,979,141.59

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Solution

The fourth proportional to 14,212,774.45, 21,319,165.44 and 3,979,141.59 is: 5,968,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,774.45 : 21,319,165.44 = 3,979,141.59 : x
  2. Step 2: Convert to fraction form
    14,212,774.45/21,319,165.44 = 3,979,141.59/x
  3. Step 3: Cross multiply
    14,212,774.45x = 21,319,165.44 × 3,979,141.59
  4. Step 4: Simplify right side
    14,212,774.45x = 84,831,977,899,574.23
  5. Step 5: Solve for x
    x = 84,831,977,899,574.23/14,212,774.45
  6. Step 6: Final answer
    x = 5,968,713.44

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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.