Home / 8,603,613.96-12,905,421.39-3,212,685.38

Finding the Fourth Proportional to 8,603,613.96, 12,905,421.39 and 3,212,685.38

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Solution

The fourth proportional to 8,603,613.96, 12,905,421.39 and 3,212,685.38 is: 4,819,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603,613.96 : 12,905,421.39 = 3,212,685.38 : x
  2. Step 2: Convert to fraction form
    8,603,613.96/12,905,421.39 = 3,212,685.38/x
  3. Step 3: Cross multiply
    8,603,613.96x = 12,905,421.39 × 3,212,685.38
  4. Step 4: Simplify right side
    8,603,613.96x = 41,461,058,654,655.83
  5. Step 5: Solve for x
    x = 41,461,058,654,655.83/8,603,613.96
  6. Step 6: Final answer
    x = 4,819,028.24

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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.