Finding the Fourth Proportional to 28,812,448.28, 43,218,745.46 and 11,773,121.42
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Solution
The fourth proportional to 28,812,448.28, 43,218,745.46 and 11,773,121.42 is: 17,659,711.98
Step by Step Solution
- Step 1: Write the proportion equation
28,812,448.28 : 43,218,745.46 = 11,773,121.42 : x - Step 2: Convert to fraction form
28,812,448.28/43,218,745.46 = 11,773,121.42/x - Step 3: Cross multiply
28,812,448.28x = 43,218,745.46 × 11,773,121.42 - Step 4: Simplify right side
28,812,448.28x = 508,819,537,920,653.75 - Step 5: Solve for x
x = 508,819,537,920,653.75/28,812,448.28 - Step 6: Final answer
x = 17,659,711.98
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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.