Home / 31,263,449.69-43,145,954.03-19,670,950.01

Finding the Fourth Proportional to 31,263,449.69, 43,145,954.03 and 19,670,950.01

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Solution

The fourth proportional to 31,263,449.69, 43,145,954.03 and 19,670,950.01 is: 27,147,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263,449.69 : 43,145,954.03 = 19,670,950.01 : x
  2. Step 2: Convert to fraction form
    31,263,449.69/43,145,954.03 = 19,670,950.01/x
  3. Step 3: Cross multiply
    31,263,449.69x = 43,145,954.03 × 19,670,950.01
  4. Step 4: Simplify right side
    31,263,449.69x = 848,721,904,857,888.12
  5. Step 5: Solve for x
    x = 848,721,904,857,888.12/31,263,449.69
  6. Step 6: Final answer
    x = 27,147,416.98

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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.