Finding the Fourth Proportional to 9,528,783.24, 13,149,793.11 and 5,177,892.99
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Solution
The fourth proportional to 9,528,783.24, 13,149,793.11 and 5,177,892.99 is: 7,145,531.58
Step by Step Solution
- Step 1: Write the proportion equation
9,528,783.24 : 13,149,793.11 = 5,177,892.99 : x - Step 2: Convert to fraction form
9,528,783.24/13,149,793.11 = 5,177,892.99/x - Step 3: Cross multiply
9,528,783.24x = 13,149,793.11 × 5,177,892.99 - Step 4: Simplify right side
9,528,783.24x = 68,088,221,564,219.30 - Step 5: Solve for x
x = 68,088,221,564,219.30/9,528,783.24 - Step 6: Final answer
x = 7,145,531.58
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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.