Finding the Fourth Proportional to 8,518,981.14, 11,756,135.07 and 4,651,500.06
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Solution
The fourth proportional to 8,518,981.14, 11,756,135.07 and 4,651,500.06 is: 6,419,037.92
Step by Step Solution
- Step 1: Write the proportion equation
8,518,981.14 : 11,756,135.07 = 4,651,500.06 : x - Step 2: Convert to fraction form
8,518,981.14/11,756,135.07 = 4,651,500.06/x - Step 3: Cross multiply
8,518,981.14x = 11,756,135.07 × 4,651,500.06 - Step 4: Simplify right side
8,518,981.14x = 54,683,662,983,473.10 - Step 5: Solve for x
x = 54,683,662,983,473.10/8,518,981.14 - Step 6: Final answer
x = 6,419,037.92
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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.