Finding the Fourth Proportional to 18,118,260.36, 27,168,992.54 and 6,755,658.12
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Solution
The fourth proportional to 18,118,260.36, 27,168,992.54 and 6,755,658.12 is: 10,130,355.86
Step by Step Solution
- Step 1: Write the proportion equation
18,118,260.36 : 27,168,992.54 = 6,755,658.12 : x - Step 2: Convert to fraction form
18,118,260.36/27,168,992.54 = 6,755,658.12/x - Step 3: Cross multiply
18,118,260.36x = 27,168,992.54 × 6,755,658.12 - Step 4: Simplify right side
18,118,260.36x = 183,544,425,065,070.41 - Step 5: Solve for x
x = 183,544,425,065,070.41/18,118,260.36 - Step 6: Final answer
x = 10,130,355.86
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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.