Finding the Fourth Proportional to 14,330,343.42, 19,775,678.58 and 8,135,338.68
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Solution
The fourth proportional to 14,330,343.42, 19,775,678.58 and 8,135,338.68 is: 11,226,656.48
Step by Step Solution
- Step 1: Write the proportion equation
14,330,343.42 : 19,775,678.58 = 8,135,338.68 : x - Step 2: Convert to fraction form
14,330,343.42/19,775,678.58 = 8,135,338.68/x - Step 3: Cross multiply
14,330,343.42x = 19,775,678.58 × 8,135,338.68 - Step 4: Simplify right side
14,330,343.42x = 160,881,842,875,121.47 - Step 5: Solve for x
x = 160,881,842,875,121.47/14,330,343.42 - Step 6: Final answer
x = 11,226,656.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.