Finding the Fourth Proportional to 16,185,313.08, 22,335,471.50 and 8,842,988.60
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Solution
The fourth proportional to 16,185,313.08, 22,335,471.50 and 8,842,988.60 is: 12,203,181.91
Step by Step Solution
- Step 1: Write the proportion equation
16,185,313.08 : 22,335,471.50 = 8,842,988.60 : x - Step 2: Convert to fraction form
16,185,313.08/22,335,471.50 = 8,842,988.60/x - Step 3: Cross multiply
16,185,313.08x = 22,335,471.50 × 8,842,988.60 - Step 4: Simplify right side
16,185,313.08x = 197,512,319,850,124.91 - Step 5: Solve for x
x = 197,512,319,850,124.91/16,185,313.08 - Step 6: Final answer
x = 12,203,181.91
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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.