Home / 13,308,865.70-19,963,298.55-5,222,105.15

Finding the Fourth Proportional to 13,308,865.70, 19,963,298.55 and 5,222,105.15

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Solution

The fourth proportional to 13,308,865.70, 19,963,298.55 and 5,222,105.15 is: 7,833,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,865.70 : 19,963,298.55 = 5,222,105.15 : x
  2. Step 2: Convert to fraction form
    13,308,865.70/19,963,298.55 = 5,222,105.15/x
  3. Step 3: Cross multiply
    13,308,865.70x = 19,963,298.55 × 5,222,105.15
  4. Step 4: Simplify right side
    13,308,865.70x = 104,250,444,168,942.55
  5. Step 5: Solve for x
    x = 104,250,444,168,942.55/13,308,865.70
  6. Step 6: Final answer
    x = 7,833,157.73

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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.