Finding the Fourth Proportional to 19,565,629.20, 29,339,586.45 and 7,431,059.70
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Solution
The fourth proportional to 19,565,629.20, 29,339,586.45 and 7,431,059.70 is: 11,143,225.51
Step by Step Solution
- Step 1: Write the proportion equation
19,565,629.20 : 29,339,586.45 = 7,431,059.70 : x - Step 2: Convert to fraction form
19,565,629.20/29,339,586.45 = 7,431,059.70/x - Step 3: Cross multiply
19,565,629.20x = 29,339,586.45 × 7,431,059.70 - Step 4: Simplify right side
19,565,629.20x = 218,024,218,483,261.06 - Step 5: Solve for x
x = 218,024,218,483,261.06/19,565,629.20 - Step 6: Final answer
x = 11,143,225.51
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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.