Home / 14,611,620.96-20,166,165.09-8,415,461.76

Finding the Fourth Proportional to 14,611,620.96, 20,166,165.09 and 8,415,461.76

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Solution

The fourth proportional to 14,611,620.96, 20,166,165.09 and 8,415,461.76 is: 11,614,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611,620.96 : 20,166,165.09 = 8,415,461.76 : x
  2. Step 2: Convert to fraction form
    14,611,620.96/20,166,165.09 = 8,415,461.76/x
  3. Step 3: Cross multiply
    14,611,620.96x = 20,166,165.09 × 8,415,461.76
  4. Step 4: Simplify right side
    14,611,620.96x = 169,707,591,160,741.94
  5. Step 5: Solve for x
    x = 169,707,591,160,741.94/14,611,620.96
  6. Step 6: Final answer
    x = 11,614,562.93

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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.