Home / 14,094,993.40-21,142,490.10-12,471,364.60

Finding the Fourth Proportional to 14,094,993.40, 21,142,490.10 and 12,471,364.60

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Solution

The fourth proportional to 14,094,993.40, 21,142,490.10 and 12,471,364.60 is: 18,707,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094,993.40 : 21,142,490.10 = 12,471,364.60 : x
  2. Step 2: Convert to fraction form
    14,094,993.40/21,142,490.10 = 12,471,364.60/x
  3. Step 3: Cross multiply
    14,094,993.40x = 21,142,490.10 × 12,471,364.60
  4. Step 4: Simplify right side
    14,094,993.40x = 263,675,702,588,990.47
  5. Step 5: Solve for x
    x = 263,675,702,588,990.47/14,094,993.40
  6. Step 6: Final answer
    x = 18,707,046.90

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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.