Finding the Fourth Proportional to 11,029,809.60, 16,558,192.80 and 6,240,830.40
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Solution
The fourth proportional to 11,029,809.60, 16,558,192.80 and 6,240,830.40 is: 9,368,871.88
Step by Step Solution
- Step 1: Write the proportion equation
11,029,809.60 : 16,558,192.80 = 6,240,830.40 : x - Step 2: Convert to fraction form
11,029,809.60/16,558,192.80 = 6,240,830.40/x - Step 3: Cross multiply
11,029,809.60x = 16,558,192.80 × 6,240,830.40 - Step 4: Simplify right side
11,029,809.60x = 103,336,872,995,301.12 - Step 5: Solve for x
x = 103,336,872,995,301.12/11,029,809.60 - Step 6: Final answer
x = 9,368,871.88
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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.