Finding the Fourth Proportional to 11,756,936.40, 16,226,343 and 7,175,919.84
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Solution
The fourth proportional to 11,756,936.40, 16,226,343 and 7,175,919.84 is: 9,903,850.18
Step by Step Solution
- Step 1: Write the proportion equation
11,756,936.40 : 16,226,343 = 7,175,919.84 : x - Step 2: Convert to fraction form
11,756,936.40/16,226,343 = 7,175,919.84/x - Step 3: Cross multiply
11,756,936.40x = 16,226,343 × 7,175,919.84 - Step 4: Simplify right side
11,756,936.40x = 116,438,936,664,345.12 - Step 5: Solve for x
x = 116,438,936,664,345.12/11,756,936.40 - Step 6: Final answer
x = 9,903,850.18
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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.