Finding the Fourth Proportional to 10,617,229.88, 15,925,903.18 and 2,639,053.88
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Solution
The fourth proportional to 10,617,229.88, 15,925,903.18 and 2,639,053.88 is: 3,958,595.32
Step by Step Solution
- Step 1: Write the proportion equation
10,617,229.88 : 15,925,903.18 = 2,639,053.88 : x - Step 2: Convert to fraction form
10,617,229.88/15,925,903.18 = 2,639,053.88/x - Step 3: Cross multiply
10,617,229.88x = 15,925,903.18 × 2,639,053.88 - Step 4: Simplify right side
10,617,229.88x = 42,029,316,493,456.19 - Step 5: Solve for x
x = 42,029,316,493,456.19/10,617,229.88 - Step 6: Final answer
x = 3,958,595.32
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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.