Home / 38,908,486.40-58,361,798.90-12,647,289.09

Finding the Fourth Proportional to 38,908,486.40, 58,361,798.90 and 12,647,289.09

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Solution

The fourth proportional to 38,908,486.40, 58,361,798.90 and 12,647,289.09 is: 18,970,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,908,486.40 : 58,361,798.90 = 12,647,289.09 : x
  2. Step 2: Convert to fraction form
    38,908,486.40/58,361,798.90 = 12,647,289.09/x
  3. Step 3: Cross multiply
    38,908,486.40x = 58,361,798.90 × 12,647,289.09
  4. Step 4: Simplify right side
    38,908,486.40x = 738,118,542,437,507.62
  5. Step 5: Solve for x
    x = 738,118,542,437,507.62/38,908,486.40
  6. Step 6: Final answer
    x = 18,970,631.11

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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.