Finding the Fourth Proportional to 18,674,321.99, 28,024,071.59 and 6,543,894.42
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Solution
The fourth proportional to 18,674,321.99, 28,024,071.59 and 6,543,894.42 is: 9,820,252.96
Step by Step Solution
- Step 1: Write the proportion equation
18,674,321.99 : 28,024,071.59 = 6,543,894.42 : x - Step 2: Convert to fraction form
18,674,321.99/28,024,071.59 = 6,543,894.42/x - Step 3: Cross multiply
18,674,321.99x = 28,024,071.59 × 6,543,894.42 - Step 4: Simplify right side
18,674,321.99x = 183,386,565,719,841.28 - Step 5: Solve for x
x = 183,386,565,719,841.28/18,674,321.99 - Step 6: Final answer
x = 9,820,252.96
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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.