Finding the Fourth Proportional to 38,991,751.84, 53,812,228.26 and 21,588,097.36
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Solution
The fourth proportional to 38,991,751.84, 53,812,228.26 and 21,588,097.36 is: 29,793,573.46
Step by Step Solution
- Step 1: Write the proportion equation
38,991,751.84 : 53,812,228.26 = 21,588,097.36 : x - Step 2: Convert to fraction form
38,991,751.84/53,812,228.26 = 21,588,097.36/x - Step 3: Cross multiply
38,991,751.84x = 53,812,228.26 × 21,588,097.36 - Step 4: Simplify right side
38,991,751.84x = 1,161,703,622,835,423.25 - Step 5: Solve for x
x = 1,161,703,622,835,423.25/38,991,751.84 - Step 6: Final answer
x = 29,793,573.46
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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.