Home / 14,212,775.45-21,319,166.94-3,979,142.59

Finding the Fourth Proportional to 14,212,775.45, 21,319,166.94 and 3,979,142.59

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Solution

The fourth proportional to 14,212,775.45, 21,319,166.94 and 3,979,142.59 is: 5,968,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212,775.45 : 21,319,166.94 = 3,979,142.59 : x
  2. Step 2: Convert to fraction form
    14,212,775.45/21,319,166.94 = 3,979,142.59/x
  3. Step 3: Cross multiply
    14,212,775.45x = 21,319,166.94 × 3,979,142.59
  4. Step 4: Simplify right side
    14,212,775.45x = 84,832,005,154,273.98
  5. Step 5: Solve for x
    x = 84,832,005,154,273.98/14,212,775.45
  6. Step 6: Final answer
    x = 5,968,714.94

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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.