Finding the Fourth Proportional to 15,110,537.12, 20,853,280.58 and 8,497,207.08
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Solution
The fourth proportional to 15,110,537.12, 20,853,280.58 and 8,497,207.08 is: 11,726,561.54
Step by Step Solution
- Step 1: Write the proportion equation
15,110,537.12 : 20,853,280.58 = 8,497,207.08 : x - Step 2: Convert to fraction form
15,110,537.12/20,853,280.58 = 8,497,207.08/x - Step 3: Cross multiply
15,110,537.12x = 20,853,280.58 × 8,497,207.08 - Step 4: Simplify right side
15,110,537.12x = 177,194,643,385,602.50 - Step 5: Solve for x
x = 177,194,643,385,602.50/15,110,537.12 - Step 6: Final answer
x = 11,726,561.54
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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.