Finding the Fourth Proportional to 19,681,787.10, 27,160,877.87 and 10,979,959.69
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Solution
The fourth proportional to 19,681,787.10, 27,160,877.87 and 10,979,959.69 is: 15,152,350.88
Step by Step Solution
- Step 1: Write the proportion equation
19,681,787.10 : 27,160,877.87 = 10,979,959.69 : x - Step 2: Convert to fraction form
19,681,787.10/27,160,877.87 = 10,979,959.69/x - Step 3: Cross multiply
19,681,787.10x = 27,160,877.87 × 10,979,959.69 - Step 4: Simplify right side
19,681,787.10x = 298,225,344,157,613.06 - Step 5: Solve for x
x = 298,225,344,157,613.06/19,681,787.10 - Step 6: Final answer
x = 15,152,350.88
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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.