Home / 8,603,144.79-12,904,717.59-3,212,215.71

Finding the Fourth Proportional to 8,603,144.79, 12,904,717.59 and 3,212,215.71

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Solution

The fourth proportional to 8,603,144.79, 12,904,717.59 and 3,212,215.71 is: 4,818,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,144.79 : 12,904,717.59 = 3,212,215.71 : x
  2. Step 2: Convert to fraction form
    8,603,144.79/12,904,717.59 = 3,212,215.71/x
  3. Step 3: Cross multiply
    8,603,144.79x = 12,904,717.59 × 3,212,215.71
  4. Step 4: Simplify right side
    8,603,144.79x = 41,452,736,575,711.34
  5. Step 5: Solve for x
    x = 41,452,736,575,711.34/8,603,144.79
  6. Step 6: Final answer
    x = 4,818,323.72

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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.