Finding the Fourth Proportional to 21,838,758.68, 32,758,148.94 and 7,461,967.44
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Solution
The fourth proportional to 21,838,758.68, 32,758,148.94 and 7,461,967.44 is: 11,192,954.89
Step by Step Solution
- Step 1: Write the proportion equation
21,838,758.68 : 32,758,148.94 = 7,461,967.44 : x - Step 2: Convert to fraction form
21,838,758.68/32,758,148.94 = 7,461,967.44/x - Step 3: Cross multiply
21,838,758.68x = 32,758,148.94 × 7,461,967.44 - Step 4: Simplify right side
21,838,758.68x = 244,440,240,784,950.53 - Step 5: Solve for x
x = 244,440,240,784,950.53/21,838,758.68 - Step 6: Final answer
x = 11,192,954.89
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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.