Home / 27,158,672.60-40,738,008.90-12,809,765.60

Finding the Fourth Proportional to 27,158,672.60, 40,738,008.90 and 12,809,765.60

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Solution

The fourth proportional to 27,158,672.60, 40,738,008.90 and 12,809,765.60 is: 19,214,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158,672.60 : 40,738,008.90 = 12,809,765.60 : x
  2. Step 2: Convert to fraction form
    27,158,672.60/40,738,008.90 = 12,809,765.60/x
  3. Step 3: Cross multiply
    27,158,672.60x = 40,738,008.90 × 12,809,765.60
  4. Step 4: Simplify right side
    27,158,672.60x = 521,844,345,019,713.81
  5. Step 5: Solve for x
    x = 521,844,345,019,713.81/27,158,672.60
  6. Step 6: Final answer
    x = 19,214,648.40

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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.