Finding the Fourth Proportional to 18,531,066.78, 27,757,495.77 and 14,867,964.34
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Solution
The fourth proportional to 18,531,066.78, 27,757,495.77 and 14,867,964.34 is: 22,270,572.02
Step by Step Solution
- Step 1: Write the proportion equation
18,531,066.78 : 27,757,495.77 = 14,867,964.34 : x - Step 2: Convert to fraction form
18,531,066.78/27,757,495.77 = 14,867,964.34/x - Step 3: Cross multiply
18,531,066.78x = 27,757,495.77 × 14,867,964.34 - Step 4: Simplify right side
18,531,066.78x = 412,697,457,276,060.81 - Step 5: Solve for x
x = 412,697,457,276,060.81/18,531,066.78 - Step 6: Final answer
x = 22,270,572.02
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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.