Finding the Fourth Proportional to 15,757,093.64, 21,746,461.12 and 9,236,201.84
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Solution
The fourth proportional to 15,757,093.64, 21,746,461.12 and 9,236,201.84 is: 12,746,938.54
Step by Step Solution
- Step 1: Write the proportion equation
15,757,093.64 : 21,746,461.12 = 9,236,201.84 : x - Step 2: Convert to fraction form
15,757,093.64/21,746,461.12 = 9,236,201.84/x - Step 3: Cross multiply
15,757,093.64x = 21,746,461.12 × 9,236,201.84 - Step 4: Simplify right side
15,757,093.64x = 200,854,704,210,032.47 - Step 5: Solve for x
x = 200,854,704,210,032.47/15,757,093.64 - Step 6: Final answer
x = 12,746,938.54
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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.