Home / 11,890,436.34-16,408,886.13-6,457,928.34

Finding the Fourth Proportional to 11,890,436.34, 16,408,886.13 and 6,457,928.34

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Solution

The fourth proportional to 11,890,436.34, 16,408,886.13 and 6,457,928.34 is: 8,911,986.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,436.34 : 16,408,886.13 = 6,457,928.34 : x
  2. Step 2: Convert to fraction form
    11,890,436.34/16,408,886.13 = 6,457,928.34/x
  3. Step 3: Cross multiply
    11,890,436.34x = 16,408,886.13 × 6,457,928.34
  4. Step 4: Simplify right side
    11,890,436.34x = 105,967,410,766,759.92
  5. Step 5: Solve for x
    x = 105,967,410,766,759.92/11,890,436.34
  6. Step 6: Final answer
    x = 8,911,986.72

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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.