Finding the Fourth Proportional to 29,896,612.80, 44,809,489.80 and 15,512,276.40
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Solution
The fourth proportional to 29,896,612.80, 44,809,489.80 and 15,512,276.40 is: 23,250,031.56
Step by Step Solution
- Step 1: Write the proportion equation
29,896,612.80 : 44,809,489.80 = 15,512,276.40 : x - Step 2: Convert to fraction form
29,896,612.80/44,809,489.80 = 15,512,276.40/x - Step 3: Cross multiply
29,896,612.80x = 44,809,489.80 × 15,512,276.40 - Step 4: Simplify right side
29,896,612.80x = 695,097,191,120,580.75 - Step 5: Solve for x
x = 695,097,191,120,580.75/29,896,612.80 - Step 6: Final answer
x = 23,250,031.56
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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.