Home / 11,433,824.56-17,157,847.02-7,124,336.20

Finding the Fourth Proportional to 11,433,824.56, 17,157,847.02 and 7,124,336.20

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Solution

The fourth proportional to 11,433,824.56, 17,157,847.02 and 7,124,336.20 is: 10,690,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433,824.56 : 17,157,847.02 = 7,124,336.20 : x
  2. Step 2: Convert to fraction form
    11,433,824.56/17,157,847.02 = 7,124,336.20/x
  3. Step 3: Cross multiply
    11,433,824.56x = 17,157,847.02 × 7,124,336.20
  4. Step 4: Simplify right side
    11,433,824.56x = 122,238,270,638,648.12
  5. Step 5: Solve for x
    x = 122,238,270,638,648.12/11,433,824.56
  6. Step 6: Final answer
    x = 10,690,934.60

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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.