Finding the Fourth Proportional to 22,690,437.99, 31,313,004.29 and 12,377,206.95
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Solution
The fourth proportional to 22,690,437.99, 31,313,004.29 and 12,377,206.95 is: 17,080,654.61
Step by Step Solution
- Step 1: Write the proportion equation
22,690,437.99 : 31,313,004.29 = 12,377,206.95 : x - Step 2: Convert to fraction form
22,690,437.99/31,313,004.29 = 12,377,206.95/x - Step 3: Cross multiply
22,690,437.99x = 31,313,004.29 × 12,377,206.95 - Step 4: Simplify right side
22,690,437.99x = 387,567,534,323,567.75 - Step 5: Solve for x
x = 387,567,534,323,567.75/22,690,437.99 - Step 6: Final answer
x = 17,080,654.61
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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.