Finding the Fourth Proportional to 9,638,798.94, 13,299,260.94 and 5,452,579.98
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Solution
The fourth proportional to 9,638,798.94, 13,299,260.94 and 5,452,579.98 is: 7,523,269.69
Step by Step Solution
- Step 1: Write the proportion equation
9,638,798.94 : 13,299,260.94 = 5,452,579.98 : x - Step 2: Convert to fraction form
9,638,798.94/13,299,260.94 = 5,452,579.98/x - Step 3: Cross multiply
9,638,798.94x = 13,299,260.94 × 5,452,579.98 - Step 4: Simplify right side
9,638,798.94x = 72,515,283,950,239.98 - Step 5: Solve for x
x = 72,515,283,950,239.98/9,638,798.94 - Step 6: Final answer
x = 7,523,269.69
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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.