Home / 7,130,196.19-9,840,928.50-4,231,185.55

Finding the Fourth Proportional to 7,130,196.19, 9,840,928.50 and 4,231,185.55

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Solution

The fourth proportional to 7,130,196.19, 9,840,928.50 and 4,231,185.55 is: 5,839,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,196.19 : 9,840,928.50 = 4,231,185.55 : x
  2. Step 2: Convert to fraction form
    7,130,196.19/9,840,928.50 = 4,231,185.55/x
  3. Step 3: Cross multiply
    7,130,196.19x = 9,840,928.50 × 4,231,185.55
  4. Step 4: Simplify right side
    7,130,196.19x = 41,638,794,467,783.17
  5. Step 5: Solve for x
    x = 41,638,794,467,783.17/7,130,196.19
  6. Step 6: Final answer
    x = 5,839,782.43

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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.