Finding the Fourth Proportional to 16,135,065.66, 22,265,742.78 and 8,792,742.45
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Solution
The fourth proportional to 16,135,065.66, 22,265,742.78 and 8,792,742.45 is: 12,133,631.55
Step by Step Solution
- Step 1: Write the proportion equation
16,135,065.66 : 22,265,742.78 = 8,792,742.45 : x - Step 2: Convert to fraction form
16,135,065.66/22,265,742.78 = 8,792,742.45/x - Step 3: Cross multiply
16,135,065.66x = 22,265,742.78 × 8,792,742.45 - Step 4: Simplify right side
16,135,065.66x = 195,776,941,722,487 - Step 5: Solve for x
x = 195,776,941,722,487/16,135,065.66 - Step 6: Final answer
x = 12,133,631.55
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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.