Finding the Fourth Proportional to 21,102,397.98, 31,637,060.64 and 8,332,461.24
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Solution
The fourth proportional to 21,102,397.98, 31,637,060.64 and 8,332,461.24 is: 12,492,162.35
Step by Step Solution
- Step 1: Write the proportion equation
21,102,397.98 : 31,637,060.64 = 8,332,461.24 : x - Step 2: Convert to fraction form
21,102,397.98/31,637,060.64 = 8,332,461.24/x - Step 3: Cross multiply
21,102,397.98x = 31,637,060.64 × 8,332,461.24 - Step 4: Simplify right side
21,102,397.98x = 263,614,581,530,329.59 - Step 5: Solve for x
x = 263,614,581,530,329.59/21,102,397.98 - Step 6: Final answer
x = 12,492,162.35
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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.