Finding the Fourth Proportional to 8,810,381.41, 12,158,143.14 and 4,889,907.54
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Solution
The fourth proportional to 8,810,381.41, 12,158,143.14 and 4,889,907.54 is: 6,747,970.72
Step by Step Solution
- Step 1: Write the proportion equation
8,810,381.41 : 12,158,143.14 = 4,889,907.54 : x - Step 2: Convert to fraction form
8,810,381.41/12,158,143.14 = 4,889,907.54/x - Step 3: Cross multiply
8,810,381.41x = 12,158,143.14 × 4,889,907.54 - Step 4: Simplify right side
8,810,381.41x = 59,452,195,788,235.73 - Step 5: Solve for x
x = 59,452,195,788,235.73/8,810,381.41 - Step 6: Final answer
x = 6,747,970.72
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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.