Finding the Fourth Proportional to 10,104,971.84, 13,945,048.80 and 5,521,590.08
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Solution
The fourth proportional to 10,104,971.84, 13,945,048.80 and 5,521,590.08 is: 7,619,896.85
Step by Step Solution
- Step 1: Write the proportion equation
10,104,971.84 : 13,945,048.80 = 5,521,590.08 : x - Step 2: Convert to fraction form
10,104,971.84/13,945,048.80 = 5,521,590.08/x - Step 3: Cross multiply
10,104,971.84x = 13,945,048.80 × 5,521,590.08 - Step 4: Simplify right side
10,104,971.84x = 76,998,843,119,195.91 - Step 5: Solve for x
x = 76,998,843,119,195.91/10,104,971.84 - Step 6: Final answer
x = 7,619,896.85
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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.