Finding the Fourth Proportional to 11,684,993.28, 16,124,993.10 and 6,528,393.60
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Solution
The fourth proportional to 11,684,993.28, 16,124,993.10 and 6,528,393.60 is: 9,009,016.88
Step by Step Solution
- Step 1: Write the proportion equation
11,684,993.28 : 16,124,993.10 = 6,528,393.60 : x - Step 2: Convert to fraction form
11,684,993.28/16,124,993.10 = 6,528,393.60/x - Step 3: Cross multiply
11,684,993.28x = 16,124,993.10 × 6,528,393.60 - Step 4: Simplify right side
11,684,993.28x = 105,270,301,754,084.16 - Step 5: Solve for x
x = 105,270,301,754,084.16/11,684,993.28 - Step 6: Final answer
x = 9,009,016.88
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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.