Home / 12,986,558.60-19,479,837.90-5,894,846.60

Finding the Fourth Proportional to 12,986,558.60, 19,479,837.90 and 5,894,846.60

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Solution

The fourth proportional to 12,986,558.60, 19,479,837.90 and 5,894,846.60 is: 8,842,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,986,558.60 : 19,479,837.90 = 5,894,846.60 : x
  2. Step 2: Convert to fraction form
    12,986,558.60/19,479,837.90 = 5,894,846.60/x
  3. Step 3: Cross multiply
    12,986,558.60x = 19,479,837.90 × 5,894,846.60
  4. Step 4: Simplify right side
    12,986,558.60x = 114,830,656,213,366.12
  5. Step 5: Solve for x
    x = 114,830,656,213,366.12/12,986,558.60
  6. Step 6: Final answer
    x = 8,842,269.90

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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.