Finding the Fourth Proportional to 11,078,790.67, 15,291,282.09 and 6,496,588.27
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Solution
The fourth proportional to 11,078,790.67, 15,291,282.09 and 6,496,588.27 is: 8,966,787.70
Step by Step Solution
- Step 1: Write the proportion equation
11,078,790.67 : 15,291,282.09 = 6,496,588.27 : x - Step 2: Convert to fraction form
11,078,790.67/15,291,282.09 = 6,496,588.27/x - Step 3: Cross multiply
11,078,790.67x = 15,291,282.09 × 6,496,588.27 - Step 4: Simplify right side
11,078,790.67x = 99,341,163,859,155.08 - Step 5: Solve for x
x = 99,341,163,859,155.08/11,078,790.67 - Step 6: Final answer
x = 8,966,787.70
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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.