Home / 8,603,111.76-12,904,665.30-3,212,182.58

Finding the Fourth Proportional to 8,603,111.76, 12,904,665.30 and 3,212,182.58

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Solution

The fourth proportional to 8,603,111.76, 12,904,665.30 and 3,212,182.58 is: 4,818,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,111.76 : 12,904,665.30 = 3,212,182.58 : x
  2. Step 2: Convert to fraction form
    8,603,111.76/12,904,665.30 = 3,212,182.58/x
  3. Step 3: Cross multiply
    8,603,111.76x = 12,904,665.30 × 3,212,182.58
  4. Step 4: Simplify right side
    8,603,111.76x = 41,452,141,077,390.48
  5. Step 5: Solve for x
    x = 41,452,141,077,390.48/8,603,111.76
  6. Step 6: Final answer
    x = 4,818,273.00

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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.