Finding the Fourth Proportional to 11,148,139.40, 16,734,650.70 and 10,417,195.40
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Solution
The fourth proportional to 11,148,139.40, 16,734,650.70 and 10,417,195.40 is: 15,637,418.95
Step by Step Solution
- Step 1: Write the proportion equation
11,148,139.40 : 16,734,650.70 = 10,417,195.40 : x - Step 2: Convert to fraction form
11,148,139.40/16,734,650.70 = 10,417,195.40/x - Step 3: Cross multiply
11,148,139.40x = 16,734,650.70 × 10,417,195.40 - Step 4: Simplify right side
11,148,139.40x = 174,328,126,292,646.78 - Step 5: Solve for x
x = 174,328,126,292,646.78/11,148,139.40 - Step 6: Final answer
x = 15,637,418.95
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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.