Finding the Fourth Proportional to 19,771,684.12, 27,282,590.58 and 11,398,959.64
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Solution
The fourth proportional to 19,771,684.12, 27,282,590.58 and 11,398,959.64 is: 15,729,218.97
Step by Step Solution
- Step 1: Write the proportion equation
19,771,684.12 : 27,282,590.58 = 11,398,959.64 : x - Step 2: Convert to fraction form
19,771,684.12/27,282,590.58 = 11,398,959.64/x - Step 3: Cross multiply
19,771,684.12x = 27,282,590.58 × 11,398,959.64 - Step 4: Simplify right side
19,771,684.12x = 310,993,148,896,064.19 - Step 5: Solve for x
x = 310,993,148,896,064.19/19,771,684.12 - Step 6: Final answer
x = 15,729,218.97
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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.