Home / 9,285,371.88-12,814,213.44-5,155,403.28

Finding the Fourth Proportional to 9,285,371.88, 12,814,213.44 and 5,155,403.28

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Solution

The fourth proportional to 9,285,371.88, 12,814,213.44 and 5,155,403.28 is: 7,114,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,371.88 : 12,814,213.44 = 5,155,403.28 : x
  2. Step 2: Convert to fraction form
    9,285,371.88/12,814,213.44 = 5,155,403.28/x
  3. Step 3: Cross multiply
    9,285,371.88x = 12,814,213.44 × 5,155,403.28
  4. Step 4: Simplify right side
    9,285,371.88x = 66,062,437,999,196.09
  5. Step 5: Solve for x
    x = 66,062,437,999,196.09/9,285,371.88
  6. Step 6: Final answer
    x = 7,114,678.75

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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.