Finding the Fourth Proportional to 11,465,642.40, 15,822,112.14 and 6,238,672.44
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Solution
The fourth proportional to 11,465,642.40, 15,822,112.14 and 6,238,672.44 is: 8,609,109.85
Step by Step Solution
- Step 1: Write the proportion equation
11,465,642.40 : 15,822,112.14 = 6,238,672.44 : x - Step 2: Convert to fraction form
11,465,642.40/15,822,112.14 = 6,238,672.44/x - Step 3: Cross multiply
11,465,642.40x = 15,822,112.14 × 6,238,672.44 - Step 4: Simplify right side
11,465,642.40x = 98,708,974,950,407.44 - Step 5: Solve for x
x = 98,708,974,950,407.44/11,465,642.40 - Step 6: Final answer
x = 8,609,109.85
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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.