Finding the Fourth Proportional to 17,218,584.12, 25,829,363.34 and 4,438,980.84
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Solution
The fourth proportional to 17,218,584.12, 25,829,363.34 and 4,438,980.84 is: 6,658,854.65
Step by Step Solution
- Step 1: Write the proportion equation
17,218,584.12 : 25,829,363.34 = 4,438,980.84 : x - Step 2: Convert to fraction form
17,218,584.12/25,829,363.34 = 4,438,980.84/x - Step 3: Cross multiply
17,218,584.12x = 25,829,363.34 × 4,438,980.84 - Step 4: Simplify right side
17,218,584.12x = 114,656,048,975,658.41 - Step 5: Solve for x
x = 114,656,048,975,658.41/17,218,584.12 - Step 6: Final answer
x = 6,658,854.65
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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.