Home / 15,284,572.06-21,092,708.73-8,408,906.50

Finding the Fourth Proportional to 15,284,572.06, 21,092,708.73 and 8,408,906.50

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Solution

The fourth proportional to 15,284,572.06, 21,092,708.73 and 8,408,906.50 is: 11,604,290.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,572.06 : 21,092,708.73 = 8,408,906.50 : x
  2. Step 2: Convert to fraction form
    15,284,572.06/21,092,708.73 = 8,408,906.50/x
  3. Step 3: Cross multiply
    15,284,572.06x = 21,092,708.73 × 8,408,906.50
  4. Step 4: Simplify right side
    15,284,572.06x = 177,366,615,542,303.75
  5. Step 5: Solve for x
    x = 177,366,615,542,303.75/15,284,572.06
  6. Step 6: Final answer
    x = 11,604,290.58

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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.