Finding the Fourth Proportional to 18,148,497.92, 27,235,319.71 and 7,217,567.36
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Solution
The fourth proportional to 18,148,497.92, 27,235,319.71 and 7,217,567.36 is: 10,831,351.19
Step by Step Solution
- Step 1: Write the proportion equation
18,148,497.92 : 27,235,319.71 = 7,217,567.36 : x - Step 2: Convert to fraction form
18,148,497.92/27,235,319.71 = 7,217,567.36/x - Step 3: Cross multiply
18,148,497.92x = 27,235,319.71 × 7,217,567.36 - Step 4: Simplify right side
18,148,497.92x = 196,572,754,578,060.69 - Step 5: Solve for x
x = 196,572,754,578,060.69/18,148,497.92 - Step 6: Final answer
x = 10,831,351.19
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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.