Home / 12,158,366.66-18,239,760.23-5,768,559.55

Finding the Fourth Proportional to 12,158,366.66, 18,239,760.23 and 5,768,559.55

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Solution

The fourth proportional to 12,158,366.66, 18,239,760.23 and 5,768,559.55 is: 8,653,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,366.66 : 18,239,760.23 = 5,768,559.55 : x
  2. Step 2: Convert to fraction form
    12,158,366.66/18,239,760.23 = 5,768,559.55/x
  3. Step 3: Cross multiply
    12,158,366.66x = 18,239,760.23 × 5,768,559.55
  4. Step 4: Simplify right side
    12,158,366.66x = 105,217,143,058,433.59
  5. Step 5: Solve for x
    x = 105,217,143,058,433.59/12,158,366.66
  6. Step 6: Final answer
    x = 8,653,887.98

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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.