Finding the Fourth Proportional to 10,630,635.36, 15,944,941.92 and 4,239,178.08
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Solution
The fourth proportional to 10,630,635.36, 15,944,941.92 and 4,239,178.08 is: 6,358,363.92
Step by Step Solution
- Step 1: Write the proportion equation
10,630,635.36 : 15,944,941.92 = 4,239,178.08 : x - Step 2: Convert to fraction form
10,630,635.36/15,944,941.92 = 4,239,178.08/x - Step 3: Cross multiply
10,630,635.36x = 15,944,941.92 × 4,239,178.08 - Step 4: Simplify right side
10,630,635.36x = 67,593,448,274,137.12 - Step 5: Solve for x
x = 67,593,448,274,137.12/10,630,635.36 - Step 6: Final answer
x = 6,358,363.92
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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.