Finding the Fourth Proportional to 13,915,121.96, 20,878,472.08 and 6,130,051.92
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Solution
The fourth proportional to 13,915,121.96, 20,878,472.08 and 6,130,051.92 is: 9,197,628.18
Step by Step Solution
- Step 1: Write the proportion equation
13,915,121.96 : 20,878,472.08 = 6,130,051.92 : x - Step 2: Convert to fraction form
13,915,121.96/20,878,472.08 = 6,130,051.92/x - Step 3: Cross multiply
13,915,121.96x = 20,878,472.08 × 6,130,051.92 - Step 4: Simplify right side
13,915,121.96x = 127,986,117,860,670.38 - Step 5: Solve for x
x = 127,986,117,860,670.38/13,915,121.96 - Step 6: Final answer
x = 9,197,628.18
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1.5x scale
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.