Finding the Fourth Proportional to 9,220,125.51, 12,725,438.73 and 5,499,194.99
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Solution
The fourth proportional to 9,220,125.51, 12,725,438.73 and 5,499,194.99 is: 7,589,882.47
Step by Step Solution
- Step 1: Write the proportion equation
9,220,125.51 : 12,725,438.73 = 5,499,194.99 : x - Step 2: Convert to fraction form
9,220,125.51/12,725,438.73 = 5,499,194.99/x - Step 3: Cross multiply
9,220,125.51x = 12,725,438.73 × 5,499,194.99 - Step 4: Simplify right side
9,220,125.51x = 69,979,668,941,381.55 - Step 5: Solve for x
x = 69,979,668,941,381.55/9,220,125.51 - Step 6: Final answer
x = 7,589,882.47
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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.