Home / 15,348,589.56-21,180,923.69-8,472,924

Finding the Fourth Proportional to 15,348,589.56, 21,180,923.69 and 8,472,924

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Solution

The fourth proportional to 15,348,589.56, 21,180,923.69 and 8,472,924 is: 11,692,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348,589.56 : 21,180,923.69 = 8,472,924 : x
  2. Step 2: Convert to fraction form
    15,348,589.56/21,180,923.69 = 8,472,924/x
  3. Step 3: Cross multiply
    15,348,589.56x = 21,180,923.69 × 8,472,924
  4. Step 4: Simplify right side
    15,348,589.56x = 179,464,356,632,804.94
  5. Step 5: Solve for x
    x = 179,464,356,632,804.94/15,348,589.56
  6. Step 6: Final answer
    x = 11,692,563.41

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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.