Finding the Fourth Proportional to 27,292,959.78, 37,664,466.58 and 14,903,139.23
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Solution
The fourth proportional to 27,292,959.78, 37,664,466.58 and 14,903,139.23 is: 20,566,431.56
Step by Step Solution
- Step 1: Write the proportion equation
27,292,959.78 : 37,664,466.58 = 14,903,139.23 : x - Step 2: Convert to fraction form
27,292,959.78/37,664,466.58 = 14,903,139.23/x - Step 3: Cross multiply
27,292,959.78x = 37,664,466.58 × 14,903,139.23 - Step 4: Simplify right side
27,292,959.78x = 561,318,789,465,421.94 - Step 5: Solve for x
x = 561,318,789,465,421.94/27,292,959.78 - Step 6: Final answer
x = 20,566,431.56
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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.