Finding the Fourth Proportional to 15,191,938.53, 22,776,446.70 and 4,950,682.88
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Solution
The fourth proportional to 15,191,938.53, 22,776,446.70 and 4,950,682.88 is: 7,422,289.42
Step by Step Solution
- Step 1: Write the proportion equation
15,191,938.53 : 22,776,446.70 = 4,950,682.88 : x - Step 2: Convert to fraction form
15,191,938.53/22,776,446.70 = 4,950,682.88/x - Step 3: Cross multiply
15,191,938.53x = 22,776,446.70 × 4,950,682.88 - Step 4: Simplify right side
15,191,938.53x = 112,758,964,631,040.27 - Step 5: Solve for x
x = 112,758,964,631,040.27/15,191,938.53 - Step 6: Final answer
x = 7,422,289.42
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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.