Home / 20,122,037.34-30,189,945.06-8,602,758.42

Finding the Fourth Proportional to 20,122,037.34, 30,189,945.06 and 8,602,758.42

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Solution

The fourth proportional to 20,122,037.34, 30,189,945.06 and 8,602,758.42 is: 12,907,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,037.34 : 30,189,945.06 = 8,602,758.42 : x
  2. Step 2: Convert to fraction form
    20,122,037.34/30,189,945.06 = 8,602,758.42/x
  3. Step 3: Cross multiply
    20,122,037.34x = 30,189,945.06 × 8,602,758.42
  4. Step 4: Simplify right side
    20,122,037.34x = 259,716,804,064,252.41
  5. Step 5: Solve for x
    x = 259,716,804,064,252.41/20,122,037.34
  6. Step 6: Final answer
    x = 12,907,082.90

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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.