Finding the Fourth Proportional to 34,181,034.84, 47,169,824.58 and 18,711,129.96
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Solution
The fourth proportional to 34,181,034.84, 47,169,824.58 and 18,711,129.96 is: 25,821,357.43
Step by Step Solution
- Step 1: Write the proportion equation
34,181,034.84 : 47,169,824.58 = 18,711,129.96 : x - Step 2: Convert to fraction form
34,181,034.84/47,169,824.58 = 18,711,129.96/x - Step 3: Cross multiply
34,181,034.84x = 47,169,824.58 × 18,711,129.96 - Step 4: Simplify right side
34,181,034.84x = 882,600,717,906,782.38 - Step 5: Solve for x
x = 882,600,717,906,782.38/34,181,034.84 - Step 6: Final answer
x = 25,821,357.43
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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.