Finding the Fourth Proportional to 42,233,966.96, 58,282,874.36 and 22,918,382.96
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Solution
The fourth proportional to 42,233,966.96, 58,282,874.36 and 22,918,382.96 is: 31,627,368.46
Step by Step Solution
- Step 1: Write the proportion equation
42,233,966.96 : 58,282,874.36 = 22,918,382.96 : x - Step 2: Convert to fraction form
42,233,966.96/58,282,874.36 = 22,918,382.96/x - Step 3: Cross multiply
42,233,966.96x = 58,282,874.36 × 22,918,382.96 - Step 4: Simplify right side
42,233,966.96x = 1,335,749,234,592,045 - Step 5: Solve for x
x = 1,335,749,234,592,045/42,233,966.96 - Step 6: Final answer
x = 31,627,368.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.