Finding the Fourth Proportional to 14,602,020.72, 20,153,317.14 and 8,800,809.12
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Solution
The fourth proportional to 14,602,020.72, 20,153,317.14 and 8,800,809.12 is: 12,146,640.57
Step by Step Solution
- Step 1: Write the proportion equation
14,602,020.72 : 20,153,317.14 = 8,800,809.12 : x - Step 2: Convert to fraction form
14,602,020.72/20,153,317.14 = 8,800,809.12/x - Step 3: Cross multiply
14,602,020.72x = 20,153,317.14 × 8,800,809.12 - Step 4: Simplify right side
14,602,020.72x = 177,365,497,283,964.31 - Step 5: Solve for x
x = 177,365,497,283,964.31/14,602,020.72 - Step 6: Final answer
x = 12,146,640.57
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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.