Finding the Fourth Proportional to 7,381,211.80, 11,073,567.30 and 3,787,533.40
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Solution
The fourth proportional to 7,381,211.80, 11,073,567.30 and 3,787,533.40 is: 5,682,197.88
Step by Step Solution
- Step 1: Write the proportion equation
7,381,211.80 : 11,073,567.30 = 3,787,533.40 : x - Step 2: Convert to fraction form
7,381,211.80/11,073,567.30 = 3,787,533.40/x - Step 3: Cross multiply
7,381,211.80x = 11,073,567.30 × 3,787,533.40 - Step 4: Simplify right side
7,381,211.80x = 41,941,506,005,897.82 - Step 5: Solve for x
x = 41,941,506,005,897.82/7,381,211.80 - Step 6: Final answer
x = 5,682,197.88
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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.