Finding the Fourth Proportional to 8,930,215.80, 13,395,323.70 and 4,678,687.80
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Solution
The fourth proportional to 8,930,215.80, 13,395,323.70 and 4,678,687.80 is: 7,018,031.70
Step by Step Solution
- Step 1: Write the proportion equation
8,930,215.80 : 13,395,323.70 = 4,678,687.80 : x - Step 2: Convert to fraction form
8,930,215.80/13,395,323.70 = 4,678,687.80/x - Step 3: Cross multiply
8,930,215.80x = 13,395,323.70 × 4,678,687.80 - Step 4: Simplify right side
8,930,215.80x = 62,672,537,572,240.85 - Step 5: Solve for x
x = 62,672,537,572,240.85/8,930,215.80 - Step 6: Final answer
x = 7,018,031.70
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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.