Home / 12,085,201.03-18,121,175.65-4,791,271.72

Finding the Fourth Proportional to 12,085,201.03, 18,121,175.65 and 4,791,271.72

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Solution

The fourth proportional to 12,085,201.03, 18,121,175.65 and 4,791,271.72 is: 7,184,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085,201.03 : 18,121,175.65 = 4,791,271.72 : x
  2. Step 2: Convert to fraction form
    12,085,201.03/18,121,175.65 = 4,791,271.72/x
  3. Step 3: Cross multiply
    12,085,201.03x = 18,121,175.65 × 4,791,271.72
  4. Step 4: Simplify right side
    12,085,201.03x = 86,823,476,424,997.61
  5. Step 5: Solve for x
    x = 86,823,476,424,997.61/12,085,201.03
  6. Step 6: Final answer
    x = 7,184,280.69

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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.