Finding the Fourth Proportional to 7,911,315.80, 11,863,047.96 and 2,519,263.70
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Solution
The fourth proportional to 7,911,315.80, 11,863,047.96 and 2,519,263.70 is: 3,777,645.45
Step by Step Solution
- Step 1: Write the proportion equation
7,911,315.80 : 11,863,047.96 = 2,519,263.70 : x - Step 2: Convert to fraction form
7,911,315.80/11,863,047.96 = 2,519,263.70/x - Step 3: Cross multiply
7,911,315.80x = 11,863,047.96 × 2,519,263.70 - Step 4: Simplify right side
7,911,315.80x = 29,886,146,096,987.05 - Step 5: Solve for x
x = 29,886,146,096,987.05/7,911,315.80 - Step 6: Final answer
x = 3,777,645.45
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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.