Finding the Fourth Proportional to 29,378,830.20, 44,082,728.10 and 13,216,219.80
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Solution
The fourth proportional to 29,378,830.20, 44,082,728.10 and 13,216,219.80 is: 19,830,844.86
Step by Step Solution
- Step 1: Write the proportion equation
29,378,830.20 : 44,082,728.10 = 13,216,219.80 : x - Step 2: Convert to fraction form
29,378,830.20/44,082,728.10 = 13,216,219.80/x - Step 3: Cross multiply
29,378,830.20x = 44,082,728.10 × 13,216,219.80 - Step 4: Simplify right side
29,378,830.20x = 582,607,023,953,236.38 - Step 5: Solve for x
x = 582,607,023,953,236.38/29,378,830.20 - Step 6: Final answer
x = 19,830,844.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.