Home / 12,698,940.42-17,524,669.77-6,897,835.62

Finding the Fourth Proportional to 12,698,940.42, 17,524,669.77 and 6,897,835.62

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Solution

The fourth proportional to 12,698,940.42, 17,524,669.77 and 6,897,835.62 is: 9,519,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,940.42 : 17,524,669.77 = 6,897,835.62 : x
  2. Step 2: Convert to fraction form
    12,698,940.42/17,524,669.77 = 6,897,835.62/x
  3. Step 3: Cross multiply
    12,698,940.42x = 17,524,669.77 × 6,897,835.62
  4. Step 4: Simplify right side
    12,698,940.42x = 120,882,291,368,243.20
  5. Step 5: Solve for x
    x = 120,882,291,368,243.20/12,698,940.42
  6. Step 6: Final answer
    x = 9,519,084.85

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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.