Finding the Fourth Proportional to 30,168,953.07, 45,253,844.82 and 8,603,557.08
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Solution
The fourth proportional to 30,168,953.07, 45,253,844.82 and 8,603,557.08 is: 12,905,454.03
Step by Step Solution
- Step 1: Write the proportion equation
30,168,953.07 : 45,253,844.82 = 8,603,557.08 : x - Step 2: Convert to fraction form
30,168,953.07/45,253,844.82 = 8,603,557.08/x - Step 3: Cross multiply
30,168,953.07x = 45,253,844.82 × 8,603,557.08 - Step 4: Simplify right side
30,168,953.07x = 389,344,036,998,332.31 - Step 5: Solve for x
x = 389,344,036,998,332.31/30,168,953.07 - Step 6: Final answer
x = 12,905,454.03
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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.