Finding the Fourth Proportional to 7,660,305.84, 11,492,139.10 and 2,269,377.58
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Solution
The fourth proportional to 7,660,305.84, 11,492,139.10 and 2,269,377.58 is: 3,404,564.17
Step by Step Solution
- Step 1: Write the proportion equation
7,660,305.84 : 11,492,139.10 = 2,269,377.58 : x - Step 2: Convert to fraction form
7,660,305.84/11,492,139.10 = 2,269,377.58/x - Step 3: Cross multiply
7,660,305.84x = 11,492,139.10 × 2,269,377.58 - Step 4: Simplify right side
7,660,305.84x = 26,080,002,819,781.38 - Step 5: Solve for x
x = 26,080,002,819,781.38/7,660,305.84 - Step 6: Final answer
x = 3,404,564.17
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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.