Finding the Fourth Proportional to 18,349,390.16, 27,523,461.86 and 4,702,670.54
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Solution
The fourth proportional to 18,349,390.16, 27,523,461.86 and 4,702,670.54 is: 7,053,846.04
Step by Step Solution
- Step 1: Write the proportion equation
18,349,390.16 : 27,523,461.86 = 4,702,670.54 : x - Step 2: Convert to fraction form
18,349,390.16/27,523,461.86 = 4,702,670.54/x - Step 3: Cross multiply
18,349,390.16x = 27,523,461.86 × 4,702,670.54 - Step 4: Simplify right side
18,349,390.16x = 129,433,773,117,568.58 - Step 5: Solve for x
x = 129,433,773,117,568.58/18,349,390.16 - Step 6: Final answer
x = 7,053,846.04
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1.5x scale
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.