Finding the Fourth Proportional to 8,153,993.84, 11,252,518.70 and 4,482,972.86
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Solution
The fourth proportional to 8,153,993.84, 11,252,518.70 and 4,482,972.86 is: 6,186,506.50
Step by Step Solution
- Step 1: Write the proportion equation
8,153,993.84 : 11,252,518.70 = 4,482,972.86 : x - Step 2: Convert to fraction form
8,153,993.84/11,252,518.70 = 4,482,972.86/x - Step 3: Cross multiply
8,153,993.84x = 11,252,518.70 × 4,482,972.86 - Step 4: Simplify right side
8,153,993.84x = 50,444,735,860,065.03 - Step 5: Solve for x
x = 50,444,735,860,065.03/8,153,993.84 - Step 6: Final answer
x = 6,186,506.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.