Finding the Fourth Proportional to 19,709,523.12, 27,195,191.94 and 11,006,356.62
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Solution
The fourth proportional to 19,709,523.12, 27,195,191.94 and 11,006,356.62 is: 15,186,566.36
Step by Step Solution
- Step 1: Write the proportion equation
19,709,523.12 : 27,195,191.94 = 11,006,356.62 : x - Step 2: Convert to fraction form
19,709,523.12/27,195,191.94 = 11,006,356.62/x - Step 3: Cross multiply
19,709,523.12x = 27,195,191.94 × 11,006,356.62 - Step 4: Simplify right side
19,709,523.12x = 299,319,980,840,989.62 - Step 5: Solve for x
x = 299,319,980,840,989.62/19,709,523.12 - Step 6: Final answer
x = 15,186,566.36
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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.