Finding the Fourth Proportional to 21,908,660.61, 32,865,980.10 and 9,126,175.95
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Solution
The fourth proportional to 21,908,660.61, 32,865,980.10 and 9,126,175.95 is: 13,690,509.09
Step by Step Solution
- Step 1: Write the proportion equation
21,908,660.61 : 32,865,980.10 = 9,126,175.95 : x - Step 2: Convert to fraction form
21,908,660.61/32,865,980.10 = 9,126,175.95/x - Step 3: Cross multiply
21,908,660.61x = 32,865,980.10 × 9,126,175.95 - Step 4: Simplify right side
21,908,660.61x = 299,940,717,161,798.56 - Step 5: Solve for x
x = 299,940,717,161,798.56/21,908,660.61 - Step 6: Final answer
x = 13,690,509.09
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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.