Finding the Fourth Proportional to 11,115,684.32, 16,664,816.40 and 4,389,133.28
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Solution
The fourth proportional to 11,115,684.32, 16,664,816.40 and 4,389,133.28 is: 6,580,260.66
Step by Step Solution
- Step 1: Write the proportion equation
11,115,684.32 : 16,664,816.40 = 4,389,133.28 : x - Step 2: Convert to fraction form
11,115,684.32/16,664,816.40 = 4,389,133.28/x - Step 3: Cross multiply
11,115,684.32x = 16,664,816.40 × 4,389,133.28 - Step 4: Simplify right side
11,115,684.32x = 73,144,100,266,329.80 - Step 5: Solve for x
x = 73,144,100,266,329.80/11,115,684.32 - Step 6: Final answer
x = 6,580,260.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.