Home / 10,603,820.78-15,904,540.04-2,928,556.76

Finding the Fourth Proportional to 10,603,820.78, 15,904,540.04 and 2,928,556.76

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Solution

The fourth proportional to 10,603,820.78, 15,904,540.04 and 2,928,556.76 is: 4,392,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603,820.78 : 15,904,540.04 = 2,928,556.76 : x
  2. Step 2: Convert to fraction form
    10,603,820.78/15,904,540.04 = 2,928,556.76/x
  3. Step 3: Cross multiply
    10,603,820.78x = 15,904,540.04 × 2,928,556.76
  4. Step 4: Simplify right side
    10,603,820.78x = 46,577,348,248,832.66
  5. Step 5: Solve for x
    x = 46,577,348,248,832.66/10,603,820.78
  6. Step 6: Final answer
    x = 4,392,506.17

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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.