Finding the Fourth Proportional to 7,278,706.95, 10,896,494.99 and 5,393,908.23
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Solution
The fourth proportional to 7,278,706.95, 10,896,494.99 and 5,393,908.23 is: 8,074,881.21
Step by Step Solution
- Step 1: Write the proportion equation
7,278,706.95 : 10,896,494.99 = 5,393,908.23 : x - Step 2: Convert to fraction form
7,278,706.95/10,896,494.99 = 5,393,908.23/x - Step 3: Cross multiply
7,278,706.95x = 10,896,494.99 × 5,393,908.23 - Step 4: Simplify right side
7,278,706.95x = 58,774,693,977,745.23 - Step 5: Solve for x
x = 58,774,693,977,745.23/7,278,706.95 - Step 6: Final answer
x = 8,074,881.21
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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.