Home / 7,422,170.40-11,131,700.40-3,638,368.80

Finding the Fourth Proportional to 7,422,170.40, 11,131,700.40 and 3,638,368.80

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Solution

The fourth proportional to 7,422,170.40, 11,131,700.40 and 3,638,368.80 is: 5,456,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,170.40 : 11,131,700.40 = 3,638,368.80 : x
  2. Step 2: Convert to fraction form
    7,422,170.40/11,131,700.40 = 3,638,368.80/x
  3. Step 3: Cross multiply
    7,422,170.40x = 11,131,700.40 × 3,638,368.80
  4. Step 4: Simplify right side
    7,422,170.40x = 40,501,231,426,307.52
  5. Step 5: Solve for x
    x = 40,501,231,426,307.52/7,422,170.40
  6. Step 6: Final answer
    x = 5,456,790.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.