Finding the Fourth Proportional to 11,984,235.50, 16,539,252.57 and 7,337,997.74
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Solution
The fourth proportional to 11,984,235.50, 16,539,252.57 and 7,337,997.74 is: 10,127,053.83
Step by Step Solution
- Step 1: Write the proportion equation
11,984,235.50 : 16,539,252.57 = 7,337,997.74 : x - Step 2: Convert to fraction form
11,984,235.50/16,539,252.57 = 7,337,997.74/x - Step 3: Cross multiply
11,984,235.50x = 16,539,252.57 × 7,337,997.74 - Step 4: Simplify right side
11,984,235.50x = 121,364,997,979,949.20 - Step 5: Solve for x
x = 121,364,997,979,949.20/11,984,235.50 - Step 6: Final answer
x = 10,127,053.83
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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.