Finding the Fourth Proportional to 29,225,913.92, 40,330,768.32 and 16,173,723.20
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Solution
The fourth proportional to 29,225,913.92, 40,330,768.32 and 16,173,723.20 is: 22,319,188.55
Step by Step Solution
- Step 1: Write the proportion equation
29,225,913.92 : 40,330,768.32 = 16,173,723.20 : x - Step 2: Convert to fraction form
29,225,913.92/40,330,768.32 = 16,173,723.20/x - Step 3: Cross multiply
29,225,913.92x = 40,330,768.32 × 16,173,723.20 - Step 4: Simplify right side
29,225,913.92x = 652,298,683,251,009 - Step 5: Solve for x
x = 652,298,683,251,009/29,225,913.92 - Step 6: Final answer
x = 22,319,188.55
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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.