Finding the Fourth Proportional to 19,049,683.21, 26,288,758.79 and 10,348,028.17
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Solution
The fourth proportional to 19,049,683.21, 26,288,758.79 and 10,348,028.17 is: 14,280,385.32
Step by Step Solution
- Step 1: Write the proportion equation
19,049,683.21 : 26,288,758.79 = 10,348,028.17 : x - Step 2: Convert to fraction form
19,049,683.21/26,288,758.79 = 10,348,028.17/x - Step 3: Cross multiply
19,049,683.21x = 26,288,758.79 × 10,348,028.17 - Step 4: Simplify right side
19,049,683.21x = 272,036,816,513,255.09 - Step 5: Solve for x
x = 272,036,816,513,255.09/19,049,683.21 - Step 6: Final answer
x = 14,280,385.32
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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.