Finding the Fourth Proportional to 21,655,285.68, 32,472,120.18 and 7,080,306.66
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Solution
The fourth proportional to 21,655,285.68, 32,472,120.18 and 7,080,306.66 is: 10,616,926.15
Step by Step Solution
- Step 1: Write the proportion equation
21,655,285.68 : 32,472,120.18 = 7,080,306.66 : x - Step 2: Convert to fraction form
21,655,285.68/32,472,120.18 = 7,080,306.66/x - Step 3: Cross multiply
21,655,285.68x = 32,472,120.18 × 7,080,306.66 - Step 4: Simplify right side
21,655,285.68x = 229,912,568,774,774.41 - Step 5: Solve for x
x = 229,912,568,774,774.41/21,655,285.68 - Step 6: Final answer
x = 10,616,926.15
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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.