Home / 31,263,497.28-43,146,019.71-19,670,997.60

Finding the Fourth Proportional to 31,263,497.28, 43,146,019.71 and 19,670,997.60

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Solution

The fourth proportional to 31,263,497.28, 43,146,019.71 and 19,670,997.60 is: 27,147,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263,497.28 : 43,146,019.71 = 19,670,997.60 : x
  2. Step 2: Convert to fraction form
    31,263,497.28/43,146,019.71 = 19,670,997.60/x
  3. Step 3: Cross multiply
    31,263,497.28x = 43,146,019.71 × 19,670,997.60
  4. Step 4: Simplify right side
    31,263,497.28x = 848,725,250,164,962.75
  5. Step 5: Solve for x
    x = 848,725,250,164,962.75/31,263,497.28
  6. Step 6: Final answer
    x = 27,147,482.66

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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.