Finding the Fourth Proportional to 17,929,813.64, 26,874,334.24 and 15,766,599.56
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Solution
The fourth proportional to 17,929,813.64, 26,874,334.24 and 15,766,599.56 is: 23,631,972.70
Step by Step Solution
- Step 1: Write the proportion equation
17,929,813.64 : 26,874,334.24 = 15,766,599.56 : x - Step 2: Convert to fraction form
17,929,813.64/26,874,334.24 = 15,766,599.56/x - Step 3: Cross multiply
17,929,813.64x = 26,874,334.24 × 15,766,599.56 - Step 4: Simplify right side
17,929,813.64x = 423,716,866,403,676.94 - Step 5: Solve for x
x = 423,716,866,403,676.94/17,929,813.64 - Step 6: Final answer
x = 23,631,972.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.