Home / 31,133,341.96-46,659,505.74-12,667,767.28

Finding the Fourth Proportional to 31,133,341.96, 46,659,505.74 and 12,667,767.28

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Solution

The fourth proportional to 31,133,341.96, 46,659,505.74 and 12,667,767.28 is: 18,985,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133,341.96 : 46,659,505.74 = 12,667,767.28 : x
  2. Step 2: Convert to fraction form
    31,133,341.96/46,659,505.74 = 12,667,767.28/x
  3. Step 3: Cross multiply
    31,133,341.96x = 46,659,505.74 × 12,667,767.28
  4. Step 4: Simplify right side
    31,133,341.96x = 591,071,760,114,144.12
  5. Step 5: Solve for x
    x = 591,071,760,114,144.12/31,133,341.96
  6. Step 6: Final answer
    x = 18,985,169.05

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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.