Finding the Fourth Proportional to 10,981,877.40, 15,154,964.64 and 6,020,310
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Solution
The fourth proportional to 10,981,877.40, 15,154,964.64 and 6,020,310 is: 8,308,013.45
Step by Step Solution
- Step 1: Write the proportion equation
10,981,877.40 : 15,154,964.64 = 6,020,310 : x - Step 2: Convert to fraction form
10,981,877.40/15,154,964.64 = 6,020,310/x - Step 3: Cross multiply
10,981,877.40x = 15,154,964.64 × 6,020,310 - Step 4: Simplify right side
10,981,877.40x = 91,237,585,171,838.41 - Step 5: Solve for x
x = 91,237,585,171,838.41/10,981,877.40 - Step 6: Final answer
x = 8,308,013.45
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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.