Home / 14,618,011.52-20,172,611.60-8,091,500.96

Finding the Fourth Proportional to 14,618,011.52, 20,172,611.60 and 8,091,500.96

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Solution

The fourth proportional to 14,618,011.52, 20,172,611.60 and 8,091,500.96 is: 11,166,136.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,011.52 : 20,172,611.60 = 8,091,500.96 : x
  2. Step 2: Convert to fraction form
    14,618,011.52/20,172,611.60 = 8,091,500.96/x
  3. Step 3: Cross multiply
    14,618,011.52x = 20,172,611.60 × 8,091,500.96
  4. Step 4: Simplify right side
    14,618,011.52x = 163,226,706,127,107.16
  5. Step 5: Solve for x
    x = 163,226,706,127,107.16/14,618,011.52
  6. Step 6: Final answer
    x = 11,166,136.10

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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.