Finding the Fourth Proportional to 8,759,201.49, 13,120,480.71 and 7,044,057.81
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Solution
The fourth proportional to 8,759,201.49, 13,120,480.71 and 7,044,057.81 is: 10,551,352.74
Step by Step Solution
- Step 1: Write the proportion equation
8,759,201.49 : 13,120,480.71 = 7,044,057.81 : x - Step 2: Convert to fraction form
8,759,201.49/13,120,480.71 = 7,044,057.81/x - Step 3: Cross multiply
8,759,201.49x = 13,120,480.71 × 7,044,057.81 - Step 4: Simplify right side
8,759,201.49x = 92,421,424,616,229.84 - Step 5: Solve for x
x = 92,421,424,616,229.84/8,759,201.49 - Step 6: Final answer
x = 10,551,352.74
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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.