Finding the Fourth Proportional to 8,127,210.06, 11,216,053.80 and 4,505,538.06
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Solution
The fourth proportional to 8,127,210.06, 11,216,053.80 and 4,505,538.06 is: 6,217,921.88
Step by Step Solution
- Step 1: Write the proportion equation
8,127,210.06 : 11,216,053.80 = 4,505,538.06 : x - Step 2: Convert to fraction form
8,127,210.06/11,216,053.80 = 4,505,538.06/x - Step 3: Cross multiply
8,127,210.06x = 11,216,053.80 × 4,505,538.06 - Step 4: Simplify right side
8,127,210.06x = 50,534,357,278,907.62 - Step 5: Solve for x
x = 50,534,357,278,907.62/8,127,210.06 - Step 6: Final answer
x = 6,217,921.88
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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.