Finding the Fourth Proportional to 13,257,976.95, 19,887,805.99 and 4,160,433.60
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Solution
The fourth proportional to 13,257,976.95, 19,887,805.99 and 4,160,433.60 is: 6,240,914.18
Step by Step Solution
- Step 1: Write the proportion equation
13,257,976.95 : 19,887,805.99 = 4,160,433.60 : x - Step 2: Convert to fraction form
13,257,976.95/19,887,805.99 = 4,160,433.60/x - Step 3: Cross multiply
13,257,976.95x = 19,887,805.99 × 4,160,433.60 - Step 4: Simplify right side
13,257,976.95x = 82,741,896,343,915.56 - Step 5: Solve for x
x = 82,741,896,343,915.56/13,257,976.95 - Step 6: Final answer
x = 6,240,914.18
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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.