Finding the Fourth Proportional to 15,471,596.16, 21,351,340.80 and 8,596,368
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Solution
The fourth proportional to 15,471,596.16, 21,351,340.80 and 8,596,368 is: 11,863,286.82
Step by Step Solution
- Step 1: Write the proportion equation
15,471,596.16 : 21,351,340.80 = 8,596,368 : x - Step 2: Convert to fraction form
15,471,596.16/21,351,340.80 = 8,596,368/x - Step 3: Cross multiply
15,471,596.16x = 21,351,340.80 × 8,596,368 - Step 4: Simplify right side
15,471,596.16x = 183,543,982,810,214.41 - Step 5: Solve for x
x = 183,543,982,810,214.41/15,471,596.16 - Step 6: Final answer
x = 11,863,286.82
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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.