Home / 21,002,814-31,509,534.60-5,856,747.12

Finding the Fourth Proportional to 21,002,814, 31,509,534.60 and 5,856,747.12

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Solution

The fourth proportional to 21,002,814, 31,509,534.60 and 5,856,747.12 is: 8,786,602.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,002,814 : 31,509,534.60 = 5,856,747.12 : x
  2. Step 2: Convert to fraction form
    21,002,814/31,509,534.60 = 5,856,747.12/x
  3. Step 3: Cross multiply
    21,002,814x = 31,509,534.60 × 5,856,747.12
  4. Step 4: Simplify right side
    21,002,814x = 184,543,376,021,090.38
  5. Step 5: Solve for x
    x = 184,543,376,021,090.38/21,002,814
  6. Step 6: Final answer
    x = 8,786,602.41

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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.