Finding the Fourth Proportional to 27,572,099.11, 38,049,778.35 and 15,183,344.59
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Solution
The fourth proportional to 27,572,099.11, 38,049,778.35 and 15,183,344.59 is: 20,953,170.59
Step by Step Solution
- Step 1: Write the proportion equation
27,572,099.11 : 38,049,778.35 = 15,183,344.59 : x - Step 2: Convert to fraction form
27,572,099.11/38,049,778.35 = 15,183,344.59/x - Step 3: Cross multiply
27,572,099.11x = 38,049,778.35 × 15,183,344.59 - Step 4: Simplify right side
27,572,099.11x = 577,722,896,166,047.25 - Step 5: Solve for x
x = 577,722,896,166,047.25/27,572,099.11 - Step 6: Final answer
x = 20,953,170.59
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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.