Finding the Fourth Proportional to 11,051,447.16, 15,252,028.61 and 6,467,772.18
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Solution
The fourth proportional to 11,051,447.16, 15,252,028.61 and 6,467,772.18 is: 8,926,129.30
Step by Step Solution
- Step 1: Write the proportion equation
11,051,447.16 : 15,252,028.61 = 6,467,772.18 : x - Step 2: Convert to fraction form
11,051,447.16/15,252,028.61 = 6,467,772.18/x - Step 3: Cross multiply
11,051,447.16x = 15,252,028.61 × 6,467,772.18 - Step 4: Simplify right side
11,051,447.16x = 98,646,646,291,296.39 - Step 5: Solve for x
x = 98,646,646,291,296.39/11,051,447.16 - Step 6: Final answer
x = 8,926,129.30
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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.