Finding the Fourth Proportional to 11,303,320.56, 15,598,991.88 and 6,475,357.68
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Solution
The fourth proportional to 11,303,320.56, 15,598,991.88 and 6,475,357.68 is: 8,936,228.19
Step by Step Solution
- Step 1: Write the proportion equation
11,303,320.56 : 15,598,991.88 = 6,475,357.68 : x - Step 2: Convert to fraction form
11,303,320.56/15,598,991.88 = 6,475,357.68/x - Step 3: Cross multiply
11,303,320.56x = 15,598,991.88 × 6,475,357.68 - Step 4: Simplify right side
11,303,320.56x = 101,009,051,870,415.64 - Step 5: Solve for x
x = 101,009,051,870,415.64/11,303,320.56 - Step 6: Final answer
x = 8,936,228.19
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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.