Finding the Fourth Proportional to 9,754,378.80, 13,460,862.12 and 5,403,369.84
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Solution
The fourth proportional to 9,754,378.80, 13,460,862.12 and 5,403,369.84 is: 7,456,550.32
Step by Step Solution
- Step 1: Write the proportion equation
9,754,378.80 : 13,460,862.12 = 5,403,369.84 : x - Step 2: Convert to fraction form
9,754,378.80/13,460,862.12 = 5,403,369.84/x - Step 3: Cross multiply
9,754,378.80x = 13,460,862.12 × 5,403,369.84 - Step 4: Simplify right side
9,754,378.80x = 72,734,016,399,606.45 - Step 5: Solve for x
x = 72,734,016,399,606.45/9,754,378.80 - Step 6: Final answer
x = 7,456,550.32
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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.