Finding the Fourth Proportional to 7,988,604.16, 11,980,417.92 and 2,668,576
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Solution
The fourth proportional to 7,988,604.16, 11,980,417.92 and 2,668,576 is: 4,002,032.78
Step by Step Solution
- Step 1: Write the proportion equation
7,988,604.16 : 11,980,417.92 = 2,668,576 : x - Step 2: Convert to fraction form
7,988,604.16/11,980,417.92 = 2,668,576/x - Step 3: Cross multiply
7,988,604.16x = 11,980,417.92 × 2,668,576 - Step 4: Simplify right side
7,988,604.16x = 31,970,655,731,281.92 - Step 5: Solve for x
x = 31,970,655,731,281.92/7,988,604.16 - Step 6: Final answer
x = 4,002,032.78
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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.