Home / 13,487,608.03-18,608,649.76-8,255,161.42

Finding the Fourth Proportional to 13,487,608.03, 18,608,649.76 and 8,255,161.42

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Solution

The fourth proportional to 13,487,608.03, 18,608,649.76 and 8,255,161.42 is: 11,389,521.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,608.03 : 18,608,649.76 = 8,255,161.42 : x
  2. Step 2: Convert to fraction form
    13,487,608.03/18,608,649.76 = 8,255,161.42/x
  3. Step 3: Cross multiply
    13,487,608.03x = 18,608,649.76 × 8,255,161.42
  4. Step 4: Simplify right side
    13,487,608.03x = 153,617,407,610,624.03
  5. Step 5: Solve for x
    x = 153,617,407,610,624.03/13,487,608.03
  6. Step 6: Final answer
    x = 11,389,521.94

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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.