Finding the Fourth Proportional to 18,166,959.36, 27,219,591.72 and 10,963,358.76
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Solution
The fourth proportional to 18,166,959.36, 27,219,591.72 and 10,963,358.76 is: 16,426,422.46
Step by Step Solution
- Step 1: Write the proportion equation
18,166,959.36 : 27,219,591.72 = 10,963,358.76 : x - Step 2: Convert to fraction form
18,166,959.36/27,219,591.72 = 10,963,358.76/x - Step 3: Cross multiply
18,166,959.36x = 27,219,591.72 × 10,963,358.76 - Step 4: Simplify right side
18,166,959.36x = 298,418,149,327,085.44 - Step 5: Solve for x
x = 298,418,149,327,085.44/18,166,959.36 - Step 6: Final answer
x = 16,426,422.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.