Finding the Fourth Proportional to 9,196,793.91, 12,691,579.37 and 5,331,555.99
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Solution
The fourth proportional to 9,196,793.91, 12,691,579.37 and 5,331,555.99 is: 7,357,549.45
Step by Step Solution
- Step 1: Write the proportion equation
9,196,793.91 : 12,691,579.37 = 5,331,555.99 : x - Step 2: Convert to fraction form
9,196,793.91/12,691,579.37 = 5,331,555.99/x - Step 3: Cross multiply
9,196,793.91x = 12,691,579.37 × 5,331,555.99 - Step 4: Simplify right side
9,196,793.91x = 67,665,865,986,026.15 - Step 5: Solve for x
x = 67,665,865,986,026.15/9,196,793.91 - Step 6: Final answer
x = 7,357,549.45
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1.5x scale
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.