Finding the Fourth Proportional to 13,171,311.84, 19,759,317.84 and 4,656,591.84
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Solution
The fourth proportional to 13,171,311.84, 19,759,317.84 and 4,656,591.84 is: 6,985,718.61
Step by Step Solution
- Step 1: Write the proportion equation
13,171,311.84 : 19,759,317.84 = 4,656,591.84 : x - Step 2: Convert to fraction form
13,171,311.84/19,759,317.84 = 4,656,591.84/x - Step 3: Cross multiply
13,171,311.84x = 19,759,317.84 × 4,656,591.84 - Step 4: Simplify right side
13,171,311.84x = 92,011,078,217,710.42 - Step 5: Solve for x
x = 92,011,078,217,710.42/13,171,311.84 - Step 6: Final answer
x = 6,985,718.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.