Finding the Fourth Proportional to 11,163,235.16, 15,404,318.70 and 6,754,602.80
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Solution
The fourth proportional to 11,163,235.16, 15,404,318.70 and 6,754,602.80 is: 9,320,779.57
Step by Step Solution
- Step 1: Write the proportion equation
11,163,235.16 : 15,404,318.70 = 6,754,602.80 : x - Step 2: Convert to fraction form
11,163,235.16/15,404,318.70 = 6,754,602.80/x - Step 3: Cross multiply
11,163,235.16x = 15,404,318.70 × 6,754,602.80 - Step 4: Simplify right side
11,163,235.16x = 104,050,054,223,112.36 - Step 5: Solve for x
x = 104,050,054,223,112.36/11,163,235.16 - Step 6: Final answer
x = 9,320,779.57
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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.