Finding the Fourth Proportional to 11,818,681.36, 16,310,029.83 and 6,662,041.54
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Solution
The fourth proportional to 11,818,681.36, 16,310,029.83 and 6,662,041.54 is: 9,193,757.99
Step by Step Solution
- Step 1: Write the proportion equation
11,818,681.36 : 16,310,029.83 = 6,662,041.54 : x - Step 2: Convert to fraction form
11,818,681.36/16,310,029.83 = 6,662,041.54/x - Step 3: Cross multiply
11,818,681.36x = 16,310,029.83 × 6,662,041.54 - Step 4: Simplify right side
11,818,681.36x = 108,658,096,272,085.33 - Step 5: Solve for x
x = 108,658,096,272,085.33/11,818,681.36 - Step 6: Final answer
x = 9,193,757.99
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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.