Finding the Fourth Proportional to 7,321,226.99, 10,103,275.81 and 4,013,515.34
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Solution
The fourth proportional to 7,321,226.99, 10,103,275.81 and 4,013,515.34 is: 5,538,641.62
Step by Step Solution
- Step 1: Write the proportion equation
7,321,226.99 : 10,103,275.81 = 4,013,515.34 : x - Step 2: Convert to fraction form
7,321,226.99/10,103,275.81 = 4,013,515.34/x - Step 3: Cross multiply
7,321,226.99x = 10,103,275.81 × 4,013,515.34 - Step 4: Simplify right side
7,321,226.99x = 40,549,652,477,961.01 - Step 5: Solve for x
x = 40,549,652,477,961.01/7,321,226.99 - Step 6: Final answer
x = 5,538,641.62
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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.