Home / 40,145,428.17-55,388,485.67-22,739,007.69

Finding the Fourth Proportional to 40,145,428.17, 55,388,485.67 and 22,739,007.69

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Solution

The fourth proportional to 40,145,428.17, 55,388,485.67 and 22,739,007.69 is: 31,372,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145,428.17 : 55,388,485.67 = 22,739,007.69 : x
  2. Step 2: Convert to fraction form
    40,145,428.17/55,388,485.67 = 22,739,007.69/x
  3. Step 3: Cross multiply
    40,145,428.17x = 55,388,485.67 × 22,739,007.69
  4. Step 4: Simplify right side
    40,145,428.17x = 1,259,479,201,473,889.75
  5. Step 5: Solve for x
    x = 1,259,479,201,473,889.75/40,145,428.17
  6. Step 6: Final answer
    x = 31,372,917.39

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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.