Home / 5,173,216.03-7,139,040.09-2,999,019.55

Finding the Fourth Proportional to 5,173,216.03, 7,139,040.09 and 2,999,019.55

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Solution

The fourth proportional to 5,173,216.03, 7,139,040.09 and 2,999,019.55 is: 4,138,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,216.03 : 7,139,040.09 = 2,999,019.55 : x
  2. Step 2: Convert to fraction form
    5,173,216.03/7,139,040.09 = 2,999,019.55/x
  3. Step 3: Cross multiply
    5,173,216.03x = 7,139,040.09 × 2,999,019.55
  4. Step 4: Simplify right side
    5,173,216.03x = 21,410,120,798,143.76
  5. Step 5: Solve for x
    x = 21,410,120,798,143.76/5,173,216.03
  6. Step 6: Final answer
    x = 4,138,648.12

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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.