Home / 10,867,232.60-16,300,848.90-7,678,586.60

Finding the Fourth Proportional to 10,867,232.60, 16,300,848.90 and 7,678,586.60

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Solution

The fourth proportional to 10,867,232.60, 16,300,848.90 and 7,678,586.60 is: 11,517,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,232.60 : 16,300,848.90 = 7,678,586.60 : x
  2. Step 2: Convert to fraction form
    10,867,232.60/16,300,848.90 = 7,678,586.60/x
  3. Step 3: Cross multiply
    10,867,232.60x = 16,300,848.90 × 7,678,586.60
  4. Step 4: Simplify right side
    10,867,232.60x = 125,167,479,932,164.73
  5. Step 5: Solve for x
    x = 125,167,479,932,164.73/10,867,232.60
  6. Step 6: Final answer
    x = 11,517,879.90

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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.