Finding the Fourth Proportional to 29,753,123.20, 44,582,445.60 and 19,643,934.40
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Solution
The fourth proportional to 29,753,123.20, 44,582,445.60 and 19,643,934.40 is: 29,434,712.82
Step by Step Solution
- Step 1: Write the proportion equation
29,753,123.20 : 44,582,445.60 = 19,643,934.40 : x - Step 2: Convert to fraction form
29,753,123.20/44,582,445.60 = 19,643,934.40/x - Step 3: Cross multiply
29,753,123.20x = 44,582,445.60 × 19,643,934.40 - Step 4: Simplify right side
29,753,123.20x = 875,774,636,757,968.62 - Step 5: Solve for x
x = 875,774,636,757,968.62/29,753,123.20 - Step 6: Final answer
x = 29,434,712.82
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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.