Home / 12,953,120.60-19,429,680.90-12,579,872.60

Finding the Fourth Proportional to 12,953,120.60, 19,429,680.90 and 12,579,872.60

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Solution

The fourth proportional to 12,953,120.60, 19,429,680.90 and 12,579,872.60 is: 18,869,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953,120.60 : 19,429,680.90 = 12,579,872.60 : x
  2. Step 2: Convert to fraction form
    12,953,120.60/19,429,680.90 = 12,579,872.60/x
  3. Step 3: Cross multiply
    12,953,120.60x = 19,429,680.90 × 12,579,872.60
  4. Step 4: Simplify right side
    12,953,120.60x = 244,422,910,380,653.31
  5. Step 5: Solve for x
    x = 244,422,910,380,653.31/12,953,120.60
  6. Step 6: Final answer
    x = 18,869,808.90

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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.