Home / 12,303,986.55-18,455,979.83-12,303,986.55

Finding the Fourth Proportional to 12,303,986.55, 18,455,979.83 and 12,303,986.55

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Solution

The fourth proportional to 12,303,986.55, 18,455,979.83 and 12,303,986.55 is: 18,455,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,986.55 : 18,455,979.83 = 12,303,986.55 : x
  2. Step 2: Convert to fraction form
    12,303,986.55/18,455,979.83 = 12,303,986.55/x
  3. Step 3: Cross multiply
    12,303,986.55x = 18,455,979.83 × 12,303,986.55
  4. Step 4: Simplify right side
    12,303,986.55x = 227,082,127,533,871.34
  5. Step 5: Solve for x
    x = 227,082,127,533,871.34/12,303,986.55
  6. Step 6: Final answer
    x = 18,455,979.83

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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.