Finding the Fourth Proportional to 15,707,574.70, 23,561,362.05 and 8,149,302.70
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Solution
The fourth proportional to 15,707,574.70, 23,561,362.05 and 8,149,302.70 is: 12,223,954.05
Step by Step Solution
- Step 1: Write the proportion equation
15,707,574.70 : 23,561,362.05 = 8,149,302.70 : x - Step 2: Convert to fraction form
15,707,574.70/23,561,362.05 = 8,149,302.70/x - Step 3: Cross multiply
15,707,574.70x = 23,561,362.05 × 8,149,302.70 - Step 4: Simplify right side
15,707,574.70x = 192,008,671,369,742.53 - Step 5: Solve for x
x = 192,008,671,369,742.53/15,707,574.70 - Step 6: Final answer
x = 12,223,954.05
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Double scale
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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.