Home / 16,381,257.60-24,571,886.40-8,319,100.80

Finding the Fourth Proportional to 16,381,257.60, 24,571,886.40 and 8,319,100.80

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Solution

The fourth proportional to 16,381,257.60, 24,571,886.40 and 8,319,100.80 is: 12,478,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381,257.60 : 24,571,886.40 = 8,319,100.80 : x
  2. Step 2: Convert to fraction form
    16,381,257.60/24,571,886.40 = 8,319,100.80/x
  3. Step 3: Cross multiply
    16,381,257.60x = 24,571,886.40 × 8,319,100.80
  4. Step 4: Simplify right side
    16,381,257.60x = 204,415,999,807,749.09
  5. Step 5: Solve for x
    x = 204,415,999,807,749.09/16,381,257.60
  6. Step 6: Final answer
    x = 12,478,651.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.