Home / 13,320,520.47-19,979,095.37-4,222,705.77

Finding the Fourth Proportional to 13,320,520.47, 19,979,095.37 and 4,222,705.77

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Solution

The fourth proportional to 13,320,520.47, 19,979,095.37 and 4,222,705.77 is: 6,333,524.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,520.47 : 19,979,095.37 = 4,222,705.77 : x
  2. Step 2: Convert to fraction form
    13,320,520.47/19,979,095.37 = 4,222,705.77/x
  3. Step 3: Cross multiply
    13,320,520.47x = 19,979,095.37 × 4,222,705.77
  4. Step 4: Simplify right side
    13,320,520.47x = 84,365,841,277,165.73
  5. Step 5: Solve for x
    x = 84,365,841,277,165.73/13,320,520.47
  6. Step 6: Final answer
    x = 6,333,524.39

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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.