Finding the Fourth Proportional to 16,058,302.47, 22,160,479.84 and 8,716,137.12
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Solution
The fourth proportional to 16,058,302.47, 22,160,479.84 and 8,716,137.12 is: 12,028,281.40
Step by Step Solution
- Step 1: Write the proportion equation
16,058,302.47 : 22,160,479.84 = 8,716,137.12 : x - Step 2: Convert to fraction form
16,058,302.47/22,160,479.84 = 8,716,137.12/x - Step 3: Cross multiply
16,058,302.47x = 22,160,479.84 × 8,716,137.12 - Step 4: Simplify right side
16,058,302.47x = 193,153,780,908,645.28 - Step 5: Solve for x
x = 193,153,780,908,645.28/16,058,302.47 - Step 6: Final answer
x = 12,028,281.40
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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.