Finding the Fourth Proportional to 10,075,639.92, 15,104,511.60 and 3,926,197.80
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Solution
The fourth proportional to 10,075,639.92, 15,104,511.60 and 3,926,197.80 is: 5,885,809.80
Step by Step Solution
- Step 1: Write the proportion equation
10,075,639.92 : 15,104,511.60 = 3,926,197.80 : x - Step 2: Convert to fraction form
10,075,639.92/15,104,511.60 = 3,926,197.80/x - Step 3: Cross multiply
10,075,639.92x = 15,104,511.60 × 3,926,197.80 - Step 4: Simplify right side
10,075,639.92x = 59,303,300,213,994.48 - Step 5: Solve for x
x = 59,303,300,213,994.48/10,075,639.92 - Step 6: Final answer
x = 5,885,809.80
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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.