Finding the Fourth Proportional to 20,864,295.80, 31,292,900.58 and 5,511,752.54
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Solution
The fourth proportional to 20,864,295.80, 31,292,900.58 and 5,511,752.54 is: 8,266,692.82
Step by Step Solution
- Step 1: Write the proportion equation
20,864,295.80 : 31,292,900.58 = 5,511,752.54 : x - Step 2: Convert to fraction form
20,864,295.80/31,292,900.58 = 5,511,752.54/x - Step 3: Cross multiply
20,864,295.80x = 31,292,900.58 × 5,511,752.54 - Step 4: Simplify right side
20,864,295.80x = 172,478,724,255,782.47 - Step 5: Solve for x
x = 172,478,724,255,782.47/20,864,295.80 - Step 6: Final answer
x = 8,266,692.82
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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.