Finding the Fourth Proportional to 49,416,139.20, 74,124,208.80 and 13,514,347.20
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Solution
The fourth proportional to 49,416,139.20, 74,124,208.80 and 13,514,347.20 is: 20,271,520.80
Step by Step Solution
- Step 1: Write the proportion equation
49,416,139.20 : 74,124,208.80 = 13,514,347.20 : x - Step 2: Convert to fraction form
49,416,139.20/74,124,208.80 = 13,514,347.20/x - Step 3: Cross multiply
49,416,139.20x = 74,124,208.80 × 13,514,347.20 - Step 4: Simplify right side
49,416,139.20x = 1,001,740,293,648,495.25 - Step 5: Solve for x
x = 1,001,740,293,648,495.25/49,416,139.20 - Step 6: Final answer
x = 20,271,520.80
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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.