Finding the Fourth Proportional to 10,106,514.70, 15,159,772.05 and 4,038,245.80
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Solution
The fourth proportional to 10,106,514.70, 15,159,772.05 and 4,038,245.80 is: 6,057,368.70
Step by Step Solution
- Step 1: Write the proportion equation
10,106,514.70 : 15,159,772.05 = 4,038,245.80 : x - Step 2: Convert to fraction form
10,106,514.70/15,159,772.05 = 4,038,245.80/x - Step 3: Cross multiply
10,106,514.70x = 15,159,772.05 × 4,038,245.80 - Step 4: Simplify right side
10,106,514.70x = 61,218,885,809,869.89 - Step 5: Solve for x
x = 61,218,885,809,869.89/10,106,514.70 - Step 6: Final answer
x = 6,057,368.70
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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.