Home / 21,339,709.89-32,009,648.87-5,165,635.17

Finding the Fourth Proportional to 21,339,709.89, 32,009,648.87 and 5,165,635.17

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Solution

The fourth proportional to 21,339,709.89, 32,009,648.87 and 5,165,635.17 is: 7,748,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,709.89 : 32,009,648.87 = 5,165,635.17 : x
  2. Step 2: Convert to fraction form
    21,339,709.89/32,009,648.87 = 5,165,635.17/x
  3. Step 3: Cross multiply
    21,339,709.89x = 32,009,648.87 × 5,165,635.17
  4. Step 4: Simplify right side
    21,339,709.89x = 165,350,167,982,222.75
  5. Step 5: Solve for x
    x = 165,350,167,982,222.75/21,339,709.89
  6. Step 6: Final answer
    x = 7,748,473.10

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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.