Finding the Fourth Proportional to 10,517,447.05, 14,408,835.30 and 10,124,144.26
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Solution
The fourth proportional to 10,517,447.05, 14,408,835.30 and 10,124,144.26 is: 13,870,012.99
Step by Step Solution
- Step 1: Write the proportion equation
10,517,447.05 : 14,408,835.30 = 10,124,144.26 : x - Step 2: Convert to fraction form
10,517,447.05/14,408,835.30 = 10,124,144.26/x - Step 3: Cross multiply
10,517,447.05x = 14,408,835.30 × 10,124,144.26 - Step 4: Simplify right side
10,517,447.05x = 145,877,127,159,758.31 - Step 5: Solve for x
x = 145,877,127,159,758.31/10,517,447.05 - Step 6: Final answer
x = 13,870,012.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.