Finding the Fourth Proportional to 19,967,920.68, 27,553,359.42 and 11,265,585.24
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Solution
The fourth proportional to 19,967,920.68, 27,553,359.42 and 11,265,585.24 is: 15,545,169.88
Step by Step Solution
- Step 1: Write the proportion equation
19,967,920.68 : 27,553,359.42 = 11,265,585.24 : x - Step 2: Convert to fraction form
19,967,920.68/27,553,359.42 = 11,265,585.24/x - Step 3: Cross multiply
19,967,920.68x = 27,553,359.42 × 11,265,585.24 - Step 4: Simplify right side
19,967,920.68x = 310,404,719,194,367 - Step 5: Solve for x
x = 310,404,719,194,367/19,967,920.68 - Step 6: Final answer
x = 15,545,169.88
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.