Finding the Fourth Proportional to 29,163,337.20, 43,745,005.80 and 8,968,579.20
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Solution
The fourth proportional to 29,163,337.20, 43,745,005.80 and 8,968,579.20 is: 13,452,868.80
Step by Step Solution
- Step 1: Write the proportion equation
29,163,337.20 : 43,745,005.80 = 8,968,579.20 : x - Step 2: Convert to fraction form
29,163,337.20/43,745,005.80 = 8,968,579.20/x - Step 3: Cross multiply
29,163,337.20x = 43,745,005.80 × 8,968,579.20 - Step 4: Simplify right side
29,163,337.20x = 392,330,549,121,759.31 - Step 5: Solve for x
x = 392,330,549,121,759.31/29,163,337.20 - Step 6: Final answer
x = 13,452,868.80
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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.