Finding the Fourth Proportional to 15,590,697.93, 21,515,302.42 and 8,621,844.53
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Solution
The fourth proportional to 15,590,697.93, 21,515,302.42 and 8,621,844.53 is: 11,898,222.47
Step by Step Solution
- Step 1: Write the proportion equation
15,590,697.93 : 21,515,302.42 = 8,621,844.53 : x - Step 2: Convert to fraction form
15,590,697.93/21,515,302.42 = 8,621,844.53/x - Step 3: Cross multiply
15,590,697.93x = 21,515,302.42 × 8,621,844.53 - Step 4: Simplify right side
15,590,697.93x = 185,501,592,438,063.53 - Step 5: Solve for x
x = 185,501,592,438,063.53/15,590,697.93 - Step 6: Final answer
x = 11,898,222.47
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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.