Finding the Fourth Proportional to 15,037,125.36, 20,747,674.84 and 8,510,755
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Solution
The fourth proportional to 15,037,125.36, 20,747,674.84 and 8,510,755 is: 11,742,828.04
Step by Step Solution
- Step 1: Write the proportion equation
15,037,125.36 : 20,747,674.84 = 8,510,755 : x - Step 2: Convert to fraction form
15,037,125.36/20,747,674.84 = 8,510,755/x - Step 3: Cross multiply
15,037,125.36x = 20,747,674.84 × 8,510,755 - Step 4: Simplify right side
15,037,125.36x = 176,578,377,382,904.19 - Step 5: Solve for x
x = 176,578,377,382,904.19/15,037,125.36 - Step 6: Final answer
x = 11,742,828.04
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1.5x scale
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.