Home / 31,381,268.44-47,072,374.62-11,951,568.40

Finding the Fourth Proportional to 31,381,268.44, 47,072,374.62 and 11,951,568.40

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Solution

The fourth proportional to 31,381,268.44, 47,072,374.62 and 11,951,568.40 is: 17,927,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381,268.44 : 47,072,374.62 = 11,951,568.40 : x
  2. Step 2: Convert to fraction form
    31,381,268.44/47,072,374.62 = 11,951,568.40/x
  3. Step 3: Cross multiply
    31,381,268.44x = 47,072,374.62 × 11,951,568.40
  4. Step 4: Simplify right side
    31,381,268.44x = 562,588,705,021,354
  5. Step 5: Solve for x
    x = 562,588,705,021,354/31,381,268.44
  6. Step 6: Final answer
    x = 17,927,532.35

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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.