Finding the Fourth Proportional to 53,239,364.24, 73,470,371.64 and 28,793,078.24
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Solution
The fourth proportional to 53,239,364.24, 73,470,371.64 and 28,793,078.24 is: 39,734,474.47
Step by Step Solution
- Step 1: Write the proportion equation
53,239,364.24 : 73,470,371.64 = 28,793,078.24 : x - Step 2: Convert to fraction form
53,239,364.24/73,470,371.64 = 28,793,078.24/x - Step 3: Cross multiply
53,239,364.24x = 73,470,371.64 × 28,793,078.24 - Step 4: Simplify right side
53,239,364.24x = 2,115,438,158,952,397 - Step 5: Solve for x
x = 2,115,438,158,952,397/53,239,364.24 - Step 6: Final answer
x = 39,734,474.47
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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.