Finding the Fourth Proportional to 7,487,319.71, 11,232,221.18 and 2,628,366.12
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Solution
The fourth proportional to 7,487,319.71, 11,232,221.18 and 2,628,366.12 is: 3,942,985.04
Step by Step Solution
- Step 1: Write the proportion equation
7,487,319.71 : 11,232,221.18 = 2,628,366.12 : x - Step 2: Convert to fraction form
7,487,319.71/11,232,221.18 = 2,628,366.12/x - Step 3: Cross multiply
7,487,319.71x = 11,232,221.18 × 2,628,366.12 - Step 4: Simplify right side
7,487,319.71x = 29,522,389,588,716.59 - Step 5: Solve for x
x = 29,522,389,588,716.59/7,487,319.71 - Step 6: Final answer
x = 3,942,985.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.