Finding the Fourth Proportional to 19,508,989.62, 29,281,641.66 and 9,931,538.28
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Solution
The fourth proportional to 19,508,989.62, 29,281,641.66 and 9,931,538.28 is: 14,906,550.81
Step by Step Solution
- Step 1: Write the proportion equation
19,508,989.62 : 29,281,641.66 = 9,931,538.28 : x - Step 2: Convert to fraction form
19,508,989.62/29,281,641.66 = 9,931,538.28/x - Step 3: Cross multiply
19,508,989.62x = 29,281,641.66 × 9,931,538.28 - Step 4: Simplify right side
19,508,989.62x = 290,811,745,047,532.75 - Step 5: Solve for x
x = 290,811,745,047,532.75/19,508,989.62 - Step 6: Final answer
x = 14,906,550.81
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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.