Home / 21,014,704.92-31,519,448.34-5,663,194.92

Finding the Fourth Proportional to 21,014,704.92, 31,519,448.34 and 5,663,194.92

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Solution

The fourth proportional to 21,014,704.92, 31,519,448.34 and 5,663,194.92 is: 8,494,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,014,704.92 : 31,519,448.34 = 5,663,194.92 : x
  2. Step 2: Convert to fraction form
    21,014,704.92/31,519,448.34 = 5,663,194.92/x
  3. Step 3: Cross multiply
    21,014,704.92x = 31,519,448.34 × 5,663,194.92
  4. Step 4: Simplify right side
    21,014,704.92x = 178,500,779,720,290.44
  5. Step 5: Solve for x
    x = 178,500,779,720,290.44/21,014,704.92
  6. Step 6: Final answer
    x = 8,494,089.28

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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.