Finding the Fourth Proportional to 33,281,564.99, 45,927,678.58 and 18,597,351.94
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Solution
The fourth proportional to 33,281,564.99, 45,927,678.58 and 18,597,351.94 is: 25,663,853.32
Step by Step Solution
- Step 1: Write the proportion equation
33,281,564.99 : 45,927,678.58 = 18,597,351.94 : x - Step 2: Convert to fraction form
33,281,564.99/45,927,678.58 = 18,597,351.94/x - Step 3: Cross multiply
33,281,564.99x = 45,927,678.58 × 18,597,351.94 - Step 4: Simplify right side
33,281,564.99x = 854,133,202,178,146.88 - Step 5: Solve for x
x = 854,133,202,178,146.88/33,281,564.99 - Step 6: Final answer
x = 25,663,853.32
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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.