Home / 20,413,256.55-30,619,884.83-7,631,116.35

Finding the Fourth Proportional to 20,413,256.55, 30,619,884.83 and 7,631,116.35

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Solution

The fourth proportional to 20,413,256.55, 30,619,884.83 and 7,631,116.35 is: 11,446,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413,256.55 : 30,619,884.83 = 7,631,116.35 : x
  2. Step 2: Convert to fraction form
    20,413,256.55/30,619,884.83 = 7,631,116.35/x
  3. Step 3: Cross multiply
    20,413,256.55x = 30,619,884.83 × 7,631,116.35
  4. Step 4: Simplify right side
    20,413,256.55x = 233,663,903,723,174.38
  5. Step 5: Solve for x
    x = 233,663,903,723,174.38/20,413,256.55
  6. Step 6: Final answer
    x = 11,446,674.53

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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.