Home / 11,879,847.47-16,394,189.51-6,447,339.47

Finding the Fourth Proportional to 11,879,847.47, 16,394,189.51 and 6,447,339.47

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Solution

The fourth proportional to 11,879,847.47, 16,394,189.51 and 6,447,339.47 is: 8,897,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,879,847.47 : 16,394,189.51 = 6,447,339.47 : x
  2. Step 2: Convert to fraction form
    11,879,847.47/16,394,189.51 = 6,447,339.47/x
  3. Step 3: Cross multiply
    11,879,847.47x = 16,394,189.51 × 6,447,339.47
  4. Step 4: Simplify right side
    11,879,847.47x = 105,698,905,163,586.78
  5. Step 5: Solve for x
    x = 105,698,905,163,586.78/11,879,847.47
  6. Step 6: Final answer
    x = 8,897,328.47

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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.