Home / 31,133,265.55-46,659,391.32-12,667,690.90

Finding the Fourth Proportional to 31,133,265.55, 46,659,391.32 and 12,667,690.90

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Solution

The fourth proportional to 31,133,265.55, 46,659,391.32 and 12,667,690.90 is: 18,985,054.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133,265.55 : 46,659,391.32 = 12,667,690.90 : x
  2. Step 2: Convert to fraction form
    31,133,265.55/46,659,391.32 = 12,667,690.90/x
  3. Step 3: Cross multiply
    31,133,265.55x = 46,659,391.32 × 12,667,690.90
  4. Step 4: Simplify right side
    31,133,265.55x = 591,066,746,596,029
  5. Step 5: Solve for x
    x = 591,066,746,596,029/31,133,265.55
  6. Step 6: Final answer
    x = 18,985,054.61

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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.