Finding the Fourth Proportional to 11,537,187.42, 15,923,448.51 and 7,412,374.88
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Solution
The fourth proportional to 11,537,187.42, 15,923,448.51 and 7,412,374.88 is: 10,230,445.72
Step by Step Solution
- Step 1: Write the proportion equation
11,537,187.42 : 15,923,448.51 = 7,412,374.88 : x - Step 2: Convert to fraction form
11,537,187.42/15,923,448.51 = 7,412,374.88/x - Step 3: Cross multiply
11,537,187.42x = 15,923,448.51 × 7,412,374.88 - Step 4: Simplify right side
11,537,187.42x = 118,030,569,658,880.19 - Step 5: Solve for x
x = 118,030,569,658,880.19/11,537,187.42 - Step 6: Final answer
x = 10,230,445.72
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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.