Home / 12,143,623.80-18,236,430.90-6,474,919.80

Finding the Fourth Proportional to 12,143,623.80, 18,236,430.90 and 6,474,919.80

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Solution

The fourth proportional to 12,143,623.80, 18,236,430.90 and 6,474,919.80 is: 9,723,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143,623.80 : 18,236,430.90 = 6,474,919.80 : x
  2. Step 2: Convert to fraction form
    12,143,623.80/18,236,430.90 = 6,474,919.80/x
  3. Step 3: Cross multiply
    12,143,623.80x = 18,236,430.90 × 6,474,919.80
  4. Step 4: Simplify right side
    12,143,623.80x = 118,079,427,515,741.81
  5. Step 5: Solve for x
    x = 118,079,427,515,741.81/12,143,623.80
  6. Step 6: Final answer
    x = 9,723,574.24

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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.