Finding the Fourth Proportional to 32,714,984.40, 45,148,453.91 and 18,776,228.07
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Solution
The fourth proportional to 32,714,984.40, 45,148,453.91 and 18,776,228.07 is: 25,912,213.72
Step by Step Solution
- Step 1: Write the proportion equation
32,714,984.40 : 45,148,453.91 = 18,776,228.07 : x - Step 2: Convert to fraction form
32,714,984.40/45,148,453.91 = 18,776,228.07/x - Step 3: Cross multiply
32,714,984.40x = 45,148,453.91 × 18,776,228.07 - Step 4: Simplify right side
32,714,984.40x = 847,717,667,528,162.12 - Step 5: Solve for x
x = 847,717,667,528,162.12/32,714,984.40 - Step 6: Final answer
x = 25,912,213.72
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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.