Finding the Fourth Proportional to 13,180,122.11, 19,778,263.97 and 5,899,737.71
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Solution
The fourth proportional to 13,180,122.11, 19,778,263.97 and 5,899,737.71 is: 8,853,223.72
Step by Step Solution
- Step 1: Write the proportion equation
13,180,122.11 : 19,778,263.97 = 5,899,737.71 : x - Step 2: Convert to fraction form
13,180,122.11/19,778,263.97 = 5,899,737.71/x - Step 3: Cross multiply
13,180,122.11x = 19,778,263.97 × 5,899,737.71 - Step 4: Simplify right side
13,180,122.11x = 116,686,569,653,753.30 - Step 5: Solve for x
x = 116,686,569,653,753.30/13,180,122.11 - Step 6: Final answer
x = 8,853,223.72
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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.