Finding the Fourth Proportional to 39,450,295.86, 54,436,693.35 and 21,806,815.06
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Solution
The fourth proportional to 39,450,295.86, 54,436,693.35 and 21,806,815.06 is: 30,090,798.53
Step by Step Solution
- Step 1: Write the proportion equation
39,450,295.86 : 54,436,693.35 = 21,806,815.06 : x - Step 2: Convert to fraction form
39,450,295.86/54,436,693.35 = 21,806,815.06/x - Step 3: Cross multiply
39,450,295.86x = 54,436,693.35 × 21,806,815.06 - Step 4: Simplify right side
39,450,295.86x = 1,187,090,904,361,381.75 - Step 5: Solve for x
x = 1,187,090,904,361,381.75/39,450,295.86 - Step 6: Final answer
x = 30,090,798.53
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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.