Finding the Fourth Proportional to 57,963,520.48, 86,939,949.84 and 19,620,652
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Solution
The fourth proportional to 57,963,520.48, 86,939,949.84 and 19,620,652 is: 29,429,173.50
Step by Step Solution
- Step 1: Write the proportion equation
57,963,520.48 : 86,939,949.84 = 19,620,652 : x - Step 2: Convert to fraction form
57,963,520.48/86,939,949.84 = 19,620,652/x - Step 3: Cross multiply
57,963,520.48x = 86,939,949.84 × 19,620,652 - Step 4: Simplify right side
57,963,520.48x = 1,705,818,500,708,095.75 - Step 5: Solve for x
x = 1,705,818,500,708,095.75/57,963,520.48 - Step 6: Final answer
x = 29,429,173.50
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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.