Finding the Fourth Proportional to 11,859,461.60, 16,367,812.08 and 7,508,952.32
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Solution
The fourth proportional to 11,859,461.60, 16,367,812.08 and 7,508,952.32 is: 10,363,465.45
Step by Step Solution
- Step 1: Write the proportion equation
11,859,461.60 : 16,367,812.08 = 7,508,952.32 : x - Step 2: Convert to fraction form
11,859,461.60/16,367,812.08 = 7,508,952.32/x - Step 3: Cross multiply
11,859,461.60x = 16,367,812.08 × 7,508,952.32 - Step 4: Simplify right side
11,859,461.60x = 122,905,120,491,440.03 - Step 5: Solve for x
x = 122,905,120,491,440.03/11,859,461.60 - Step 6: Final answer
x = 10,363,465.45
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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.