Finding the Fourth Proportional to 11,580,752.70, 17,371,129.05 and 4,389,896.70
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Solution
The fourth proportional to 11,580,752.70, 17,371,129.05 and 4,389,896.70 is: 6,584,845.05
Step by Step Solution
- Step 1: Write the proportion equation
11,580,752.70 : 17,371,129.05 = 4,389,896.70 : x - Step 2: Convert to fraction form
11,580,752.70/17,371,129.05 = 4,389,896.70/x - Step 3: Cross multiply
11,580,752.70x = 17,371,129.05 × 4,389,896.70 - Step 4: Simplify right side
11,580,752.70x = 76,257,462,091,869.14 - Step 5: Solve for x
x = 76,257,462,091,869.14/11,580,752.70 - Step 6: Final answer
x = 6,584,845.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.