Finding the Fourth Proportional to 39,092,322.63, 53,946,687.69 and 21,688,294.19
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Solution
The fourth proportional to 39,092,322.63, 53,946,687.69 and 21,688,294.19 is: 29,929,447.89
Step by Step Solution
- Step 1: Write the proportion equation
39,092,322.63 : 53,946,687.69 = 21,688,294.19 : x - Step 2: Convert to fraction form
39,092,322.63/53,946,687.69 = 21,688,294.19/x - Step 3: Cross multiply
39,092,322.63x = 53,946,687.69 × 21,688,294.19 - Step 4: Simplify right side
39,092,322.63x = 1,170,011,632,927,038 - Step 5: Solve for x
x = 1,170,011,632,927,038/39,092,322.63 - Step 6: Final answer
x = 29,929,447.89
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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.