Finding the Fourth Proportional to 9,683,437.20, 14,527,069.56 and 2,860,128.96
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Solution
The fourth proportional to 9,683,437.20, 14,527,069.56 and 2,860,128.96 is: 4,290,758.69
Step by Step Solution
- Step 1: Write the proportion equation
9,683,437.20 : 14,527,069.56 = 2,860,128.96 : x - Step 2: Convert to fraction form
9,683,437.20/14,527,069.56 = 2,860,128.96/x - Step 3: Cross multiply
9,683,437.20x = 14,527,069.56 × 2,860,128.96 - Step 4: Simplify right side
9,683,437.20x = 41,549,292,352,490.46 - Step 5: Solve for x
x = 41,549,292,352,490.46/9,683,437.20 - Step 6: Final answer
x = 4,290,758.69
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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.