Home / 12,991,230.60-19,485,002.70-4,016,689.80

Finding the Fourth Proportional to 12,991,230.60, 19,485,002.70 and 4,016,689.80

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Solution

The fourth proportional to 12,991,230.60, 19,485,002.70 and 4,016,689.80 is: 6,024,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,230.60 : 19,485,002.70 = 4,016,689.80 : x
  2. Step 2: Convert to fraction form
    12,991,230.60/19,485,002.70 = 4,016,689.80/x
  3. Step 3: Cross multiply
    12,991,230.60x = 19,485,002.70 × 4,016,689.80
  4. Step 4: Simplify right side
    12,991,230.60x = 78,265,211,598,062.45
  5. Step 5: Solve for x
    x = 78,265,211,598,062.45/12,991,230.60
  6. Step 6: Final answer
    x = 6,024,464.81

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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.