Home / 31,072,942.47-46,609,561.13-9,507,509.76

Finding the Fourth Proportional to 31,072,942.47, 46,609,561.13 and 9,507,509.76

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Solution

The fourth proportional to 31,072,942.47, 46,609,561.13 and 9,507,509.76 is: 14,261,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,072,942.47 : 46,609,561.13 = 9,507,509.76 : x
  2. Step 2: Convert to fraction form
    31,072,942.47/46,609,561.13 = 9,507,509.76/x
  3. Step 3: Cross multiply
    31,072,942.47x = 46,609,561.13 × 9,507,509.76
  4. Step 4: Simplify right side
    31,072,942.47x = 443,140,857,352,791.62
  5. Step 5: Solve for x
    x = 443,140,857,352,791.62/31,072,942.47
  6. Step 6: Final answer
    x = 14,261,309.75

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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.