Finding the Fourth Proportional to 19,677,220.23, 27,154,492.81 and 10,975,385.98
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Solution
The fourth proportional to 19,677,220.23, 27,154,492.81 and 10,975,385.98 is: 15,145,992.99
Step by Step Solution
- Step 1: Write the proportion equation
19,677,220.23 : 27,154,492.81 = 10,975,385.98 : x - Step 2: Convert to fraction form
19,677,220.23/27,154,492.81 = 10,975,385.98/x - Step 3: Cross multiply
19,677,220.23x = 27,154,492.81 × 10,975,385.98 - Step 4: Simplify right side
19,677,220.23x = 298,031,039,680,884.81 - Step 5: Solve for x
x = 298,031,039,680,884.81/19,677,220.23 - Step 6: Final answer
x = 15,145,992.99
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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.