Finding the Fourth Proportional to 19,128,047.98, 28,675,084.04 and 7,453,716.42
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Solution
The fourth proportional to 19,128,047.98, 28,675,084.04 and 7,453,716.42 is: 11,173,954.86
Step by Step Solution
- Step 1: Write the proportion equation
19,128,047.98 : 28,675,084.04 = 7,453,716.42 : x - Step 2: Convert to fraction form
19,128,047.98/28,675,084.04 = 7,453,716.42/x - Step 3: Cross multiply
19,128,047.98x = 28,675,084.04 × 7,453,716.42 - Step 4: Simplify right side
19,128,047.98x = 213,735,944,753,827.94 - Step 5: Solve for x
x = 213,735,944,753,827.94/19,128,047.98 - Step 6: Final answer
x = 11,173,954.86
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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.