Finding the Fourth Proportional to 19,752,688.35, 29,628,476.55 and 5,375,880.68
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Solution
The fourth proportional to 19,752,688.35, 29,628,476.55 and 5,375,880.68 is: 8,063,669.70
Step by Step Solution
- Step 1: Write the proportion equation
19,752,688.35 : 29,628,476.55 = 5,375,880.68 : x - Step 2: Convert to fraction form
19,752,688.35/29,628,476.55 = 5,375,880.68/x - Step 3: Cross multiply
19,752,688.35x = 29,628,476.55 × 5,375,880.68 - Step 4: Simplify right side
19,752,688.35x = 159,279,154,514,835.66 - Step 5: Solve for x
x = 159,279,154,514,835.66/19,752,688.35 - Step 6: Final answer
x = 8,063,669.70
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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.