Finding the Fourth Proportional to 7,774,365.12, 11,661,625.44 and 2,725,797.12
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Solution
The fourth proportional to 7,774,365.12, 11,661,625.44 and 2,725,797.12 is: 4,088,722.94
Step by Step Solution
- Step 1: Write the proportion equation
7,774,365.12 : 11,661,625.44 = 2,725,797.12 : x - Step 2: Convert to fraction form
7,774,365.12/11,661,625.44 = 2,725,797.12/x - Step 3: Cross multiply
7,774,365.12x = 11,661,625.44 × 2,725,797.12 - Step 4: Simplify right side
7,774,365.12x = 31,787,225,038,870.73 - Step 5: Solve for x
x = 31,787,225,038,870.73/7,774,365.12 - Step 6: Final answer
x = 4,088,722.94
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1.5x scale
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.