Finding the Fourth Proportional to 10,207,703.16, 15,311,554.74 and 3,018,677.07
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Solution
The fourth proportional to 10,207,703.16, 15,311,554.74 and 3,018,677.07 is: 4,528,015.61
Step by Step Solution
- Step 1: Write the proportion equation
10,207,703.16 : 15,311,554.74 = 3,018,677.07 : x - Step 2: Convert to fraction form
10,207,703.16/15,311,554.74 = 3,018,677.07/x - Step 3: Cross multiply
10,207,703.16x = 15,311,554.74 × 3,018,677.07 - Step 4: Simplify right side
10,207,703.16x = 46,220,639,199,687.81 - Step 5: Solve for x
x = 46,220,639,199,687.81/10,207,703.16 - Step 6: Final answer
x = 4,528,015.61
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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.