Finding the Fourth Proportional to 18,185,228.46, 27,281,436.12 and 6,670,802.63
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Solution
The fourth proportional to 18,185,228.46, 27,281,436.12 and 6,670,802.63 is: 10,007,522.11
Step by Step Solution
- Step 1: Write the proportion equation
18,185,228.46 : 27,281,436.12 = 6,670,802.63 : x - Step 2: Convert to fraction form
18,185,228.46/27,281,436.12 = 6,670,802.63/x - Step 3: Cross multiply
18,185,228.46x = 27,281,436.12 × 6,670,802.63 - Step 4: Simplify right side
18,185,228.46x = 181,989,075,810,947.56 - Step 5: Solve for x
x = 181,989,075,810,947.56/18,185,228.46 - Step 6: Final answer
x = 10,007,522.11
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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.