Finding the Fourth Proportional to 8,423,237.66, 12,636,253.32 and 2,956,914.88
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Solution
The fourth proportional to 8,423,237.66, 12,636,253.32 and 2,956,914.88 is: 4,435,862.67
Step by Step Solution
- Step 1: Write the proportion equation
8,423,237.66 : 12,636,253.32 = 2,956,914.88 : x - Step 2: Convert to fraction form
8,423,237.66/12,636,253.32 = 2,956,914.88/x - Step 3: Cross multiply
8,423,237.66x = 12,636,253.32 × 2,956,914.88 - Step 4: Simplify right side
8,423,237.66x = 37,364,325,469,357.40 - Step 5: Solve for x
x = 37,364,325,469,357.40/8,423,237.66 - Step 6: Final answer
x = 4,435,862.67
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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.