Finding the Fourth Proportional to 13,203,468.20, 19,781,582.70 and 11,313,900.20
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Solution
The fourth proportional to 13,203,468.20, 19,781,582.70 and 11,313,900.20 is: 16,950,610.94
Step by Step Solution
- Step 1: Write the proportion equation
13,203,468.20 : 19,781,582.70 = 11,313,900.20 : x - Step 2: Convert to fraction form
13,203,468.20/19,781,582.70 = 11,313,900.20/x - Step 3: Cross multiply
13,203,468.20x = 19,781,582.70 × 11,313,900.20 - Step 4: Simplify right side
13,203,468.20x = 223,806,852,465,846.53 - Step 5: Solve for x
x = 223,806,852,465,846.53/13,203,468.20 - Step 6: Final answer
x = 16,950,610.94
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1.5x scale
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.