Finding the Fourth Proportional to 22,690,400.11, 31,312,952.00 and 12,377,169.07
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Solution
The fourth proportional to 22,690,400.11, 31,312,952.00 and 12,377,169.07 is: 17,080,602.33
Step by Step Solution
- Step 1: Write the proportion equation
22,690,400.11 : 31,312,952.00 = 12,377,169.07 : x - Step 2: Convert to fraction form
22,690,400.11/31,312,952.00 = 12,377,169.07/x - Step 3: Cross multiply
22,690,400.11x = 31,312,952.00 × 12,377,169.07 - Step 4: Simplify right side
22,690,400.11x = 387,565,700,922,908.81 - Step 5: Solve for x
x = 387,565,700,922,908.81/22,690,400.11 - Step 6: Final answer
x = 17,080,602.33
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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.