Finding the Fourth Proportional to 16,203,098.80, 24,313,979.40 and 6,112,961.20
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Solution
The fourth proportional to 16,203,098.80, 24,313,979.40 and 6,112,961.20 is: 9,172,962.19
Step by Step Solution
- Step 1: Write the proportion equation
16,203,098.80 : 24,313,979.40 = 6,112,961.20 : x - Step 2: Convert to fraction form
16,203,098.80/24,313,979.40 = 6,112,961.20/x - Step 3: Cross multiply
16,203,098.80x = 24,313,979.40 × 6,112,961.20 - Step 4: Simplify right side
16,203,098.80x = 148,630,412,689,799.28 - Step 5: Solve for x
x = 148,630,412,689,799.28/16,203,098.80 - Step 6: Final answer
x = 9,172,962.19
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1.5x scale
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.