Finding the Fourth Proportional to 19,812,618.24, 27,341,702.40 and 11,552,455.68
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Solution
The fourth proportional to 19,812,618.24, 27,341,702.40 and 11,552,455.68 is: 15,942,557.48
Step by Step Solution
- Step 1: Write the proportion equation
19,812,618.24 : 27,341,702.40 = 11,552,455.68 : x - Step 2: Convert to fraction form
19,812,618.24/27,341,702.40 = 11,552,455.68/x - Step 3: Cross multiply
19,812,618.24x = 27,341,702.40 × 11,552,455.68 - Step 4: Simplify right side
19,812,618.24x = 315,863,805,191,749.62 - Step 5: Solve for x
x = 315,863,805,191,749.62/19,812,618.24 - Step 6: Final answer
x = 15,942,557.48
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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.