Home / 11,880,291.30-16,394,808.69-6,447,783.30

Finding the Fourth Proportional to 11,880,291.30, 16,394,808.69 and 6,447,783.30

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Solution

The fourth proportional to 11,880,291.30, 16,394,808.69 and 6,447,783.30 is: 8,897,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,291.30 : 16,394,808.69 = 6,447,783.30 : x
  2. Step 2: Convert to fraction form
    11,880,291.30/16,394,808.69 = 6,447,783.30/x
  3. Step 3: Cross multiply
    11,880,291.30x = 16,394,808.69 × 6,447,783.30
  4. Step 4: Simplify right side
    11,880,291.30x = 105,710,173,678,076.88
  5. Step 5: Solve for x
    x = 105,710,173,678,076.88/11,880,291.30
  6. Step 6: Final answer
    x = 8,897,944.59

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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.