Home / 13,487,608.22-18,608,650.02-8,255,161.58

Finding the Fourth Proportional to 13,487,608.22, 18,608,650.02 and 8,255,161.58

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Solution

The fourth proportional to 13,487,608.22, 18,608,650.02 and 8,255,161.58 is: 11,389,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,608.22 : 18,608,650.02 = 8,255,161.58 : x
  2. Step 2: Convert to fraction form
    13,487,608.22/18,608,650.02 = 8,255,161.58/x
  3. Step 3: Cross multiply
    13,487,608.22x = 18,608,650.02 × 8,255,161.58
  4. Step 4: Simplify right side
    13,487,608.22x = 153,617,412,607,726.97
  5. Step 5: Solve for x
    x = 153,617,412,607,726.97/13,487,608.22
  6. Step 6: Final answer
    x = 11,389,522.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.