Home / 12,007,404.78-16,570,103.22-6,500,638.41

Finding the Fourth Proportional to 12,007,404.78, 16,570,103.22 and 6,500,638.41

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Solution

The fourth proportional to 12,007,404.78, 16,570,103.22 and 6,500,638.41 is: 8,970,818.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007,404.78 : 16,570,103.22 = 6,500,638.41 : x
  2. Step 2: Convert to fraction form
    12,007,404.78/16,570,103.22 = 6,500,638.41/x
  3. Step 3: Cross multiply
    12,007,404.78x = 16,570,103.22 × 6,500,638.41
  4. Step 4: Simplify right side
    12,007,404.78x = 107,716,249,449,596.69
  5. Step 5: Solve for x
    x = 107,716,249,449,596.69/12,007,404.78
  6. Step 6: Final answer
    x = 8,970,818.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.