Finding the Fourth Proportional to 8,555,967.98, 12,825,316.06 and 5,363,336.18
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Solution
The fourth proportional to 8,555,967.98, 12,825,316.06 and 5,363,336.18 is: 8,039,590.82
Step by Step Solution
- Step 1: Write the proportion equation
8,555,967.98 : 12,825,316.06 = 5,363,336.18 : x - Step 2: Convert to fraction form
8,555,967.98/12,825,316.06 = 5,363,336.18/x - Step 3: Cross multiply
8,555,967.98x = 12,825,316.06 × 5,363,336.18 - Step 4: Simplify right side
8,555,967.98x = 68,786,481,644,533.05 - Step 5: Solve for x
x = 68,786,481,644,533.05/8,555,967.98 - Step 6: Final answer
x = 8,039,590.82
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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.