Home / 12,090,399.18-16,667,124.74-9,184,745.51

Finding the Fourth Proportional to 12,090,399.18, 16,667,124.74 and 9,184,745.51

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Solution

The fourth proportional to 12,090,399.18, 16,667,124.74 and 9,184,745.51 is: 12,661,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,399.18 : 16,667,124.74 = 9,184,745.51 : x
  2. Step 2: Convert to fraction form
    12,090,399.18/16,667,124.74 = 9,184,745.51/x
  3. Step 3: Cross multiply
    12,090,399.18x = 16,667,124.74 × 9,184,745.51
  4. Step 4: Simplify right side
    12,090,399.18x = 153,083,299,074,401.19
  5. Step 5: Solve for x
    x = 153,083,299,074,401.19/12,090,399.18
  6. Step 6: Final answer
    x = 12,661,558.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.