Home / 7,430,776.28-11,147,272.50-2,638,064.22

Finding the Fourth Proportional to 7,430,776.28, 11,147,272.50 and 2,638,064.22

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Solution

The fourth proportional to 7,430,776.28, 11,147,272.50 and 2,638,064.22 is: 3,957,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430,776.28 : 11,147,272.50 = 2,638,064.22 : x
  2. Step 2: Convert to fraction form
    7,430,776.28/11,147,272.50 = 2,638,064.22/x
  3. Step 3: Cross multiply
    7,430,776.28x = 11,147,272.50 × 2,638,064.22
  4. Step 4: Simplify right side
    7,430,776.28x = 29,407,220,732,839.95
  5. Step 5: Solve for x
    x = 29,407,220,732,839.95/7,430,776.28
  6. Step 6: Final answer
    x = 3,957,489.72

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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.