Home / 8,443,712.20-12,661,576.62-3,051,315.40

Finding the Fourth Proportional to 8,443,712.20, 12,661,576.62 and 3,051,315.40

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Solution

The fourth proportional to 8,443,712.20, 12,661,576.62 and 3,051,315.40 is: 4,575,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443,712.20 : 12,661,576.62 = 3,051,315.40 : x
  2. Step 2: Convert to fraction form
    8,443,712.20/12,661,576.62 = 3,051,315.40/x
  3. Step 3: Cross multiply
    8,443,712.20x = 12,661,576.62 × 3,051,315.40
  4. Step 4: Simplify right side
    8,443,712.20x = 38,634,463,728,885.95
  5. Step 5: Solve for x
    x = 38,634,463,728,885.95/8,443,712.20
  6. Step 6: Final answer
    x = 4,575,530.62

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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.