Finding the Fourth Proportional to 22,841,161.76, 31,523,436.96 and 13,673,802.08
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Solution
The fourth proportional to 22,841,161.76, 31,523,436.96 and 13,673,802.08 is: 18,871,423.55
Step by Step Solution
- Step 1: Write the proportion equation
22,841,161.76 : 31,523,436.96 = 13,673,802.08 : x - Step 2: Convert to fraction form
22,841,161.76/31,523,436.96 = 13,673,802.08/x - Step 3: Cross multiply
22,841,161.76x = 31,523,436.96 × 13,673,802.08 - Step 4: Simplify right side
22,841,161.76x = 431,045,237,872,396.88 - Step 5: Solve for x
x = 431,045,237,872,396.88/22,841,161.76 - Step 6: Final answer
x = 18,871,423.55
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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.