Home / 13,320,523.47-19,979,099.85-4,222,708.77

Finding the Fourth Proportional to 13,320,523.47, 19,979,099.85 and 4,222,708.77

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Solution

The fourth proportional to 13,320,523.47, 19,979,099.85 and 4,222,708.77 is: 6,333,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,523.47 : 19,979,099.85 = 4,222,708.77 : x
  2. Step 2: Convert to fraction form
    13,320,523.47/19,979,099.85 = 4,222,708.77/x
  3. Step 3: Cross multiply
    13,320,523.47x = 19,979,099.85 × 4,222,708.77
  4. Step 4: Simplify right side
    13,320,523.47x = 84,365,920,153,300.69
  5. Step 5: Solve for x
    x = 84,365,920,153,300.69/13,320,523.47
  6. Step 6: Final answer
    x = 6,333,528.88

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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.