Finding the Fourth Proportional to 7,636,886.72, 11,455,325.28 and 2,245,581.44
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Solution
The fourth proportional to 7,636,886.72, 11,455,325.28 and 2,245,581.44 is: 3,368,370.75
Step by Step Solution
- Step 1: Write the proportion equation
7,636,886.72 : 11,455,325.28 = 2,245,581.44 : x - Step 2: Convert to fraction form
7,636,886.72/11,455,325.28 = 2,245,581.44/x - Step 3: Cross multiply
7,636,886.72x = 11,455,325.28 × 2,245,581.44 - Step 4: Simplify right side
7,636,886.72x = 25,723,865,837,930.80 - Step 5: Solve for x
x = 25,723,865,837,930.80/7,636,886.72 - Step 6: Final answer
x = 3,368,370.75
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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.