Finding the Fourth Proportional to 28,189,057, 42,283,585.50 and 6,913,921
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Solution
The fourth proportional to 28,189,057, 42,283,585.50 and 6,913,921 is: 10,370,881.50
Step by Step Solution
- Step 1: Write the proportion equation
28,189,057 : 42,283,585.50 = 6,913,921 : x - Step 2: Convert to fraction form
28,189,057/42,283,585.50 = 6,913,921/x - Step 3: Cross multiply
28,189,057x = 42,283,585.50 × 6,913,921 - Step 4: Simplify right side
28,189,057x = 292,345,369,743,745.50 - Step 5: Solve for x
x = 292,345,369,743,745.50/28,189,057 - Step 6: Final answer
x = 10,370,881.50
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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.