Home / 8,301,603.42-12,440,699.82-3,920,067.72

Finding the Fourth Proportional to 8,301,603.42, 12,440,699.82 and 3,920,067.72

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Solution

The fourth proportional to 8,301,603.42, 12,440,699.82 and 3,920,067.72 is: 5,874,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301,603.42 : 12,440,699.82 = 3,920,067.72 : x
  2. Step 2: Convert to fraction form
    8,301,603.42/12,440,699.82 = 3,920,067.72/x
  3. Step 3: Cross multiply
    8,301,603.42x = 12,440,699.82 × 3,920,067.72
  4. Step 4: Simplify right side
    8,301,603.42x = 48,768,385,778,591.81
  5. Step 5: Solve for x
    x = 48,768,385,778,591.81/8,301,603.42
  6. Step 6: Final answer
    x = 5,874,574.26

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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.