Finding the Fourth Proportional to 11,720,632.30, 16,173,702.75 and 6,562,811.50
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Solution
The fourth proportional to 11,720,632.30, 16,173,702.75 and 6,562,811.50 is: 9,056,248.82
Step by Step Solution
- Step 1: Write the proportion equation
11,720,632.30 : 16,173,702.75 = 6,562,811.50 : x - Step 2: Convert to fraction form
11,720,632.30/16,173,702.75 = 6,562,811.50/x - Step 3: Cross multiply
11,720,632.30x = 16,173,702.75 × 6,562,811.50 - Step 4: Simplify right side
11,720,632.30x = 106,144,962,405,281.62 - Step 5: Solve for x
x = 106,144,962,405,281.62/11,720,632.30 - Step 6: Final answer
x = 9,056,248.82
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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.