Finding the Fourth Proportional to 18,168,141.16, 27,241,235 and 7,240,011.96
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Solution
The fourth proportional to 18,168,141.16, 27,241,235 and 7,240,011.96 is: 10,855,643.70
Step by Step Solution
- Step 1: Write the proportion equation
18,168,141.16 : 27,241,235 = 7,240,011.96 : x - Step 2: Convert to fraction form
18,168,141.16/27,241,235 = 7,240,011.96/x - Step 3: Cross multiply
18,168,141.16x = 27,241,235 × 7,240,011.96 - Step 4: Simplify right side
18,168,141.16x = 197,226,867,205,170.59 - Step 5: Solve for x
x = 197,226,867,205,170.59/18,168,141.16 - Step 6: Final answer
x = 10,855,643.70
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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.