Finding the Fourth Proportional to 10,890,542.88, 15,028,378.50 and 5,994,808.68
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Solution
The fourth proportional to 10,890,542.88, 15,028,378.50 and 5,994,808.68 is: 8,272,521.84
Step by Step Solution
- Step 1: Write the proportion equation
10,890,542.88 : 15,028,378.50 = 5,994,808.68 : x - Step 2: Convert to fraction form
10,890,542.88/15,028,378.50 = 5,994,808.68/x - Step 3: Cross multiply
10,890,542.88x = 15,028,378.50 × 5,994,808.68 - Step 4: Simplify right side
10,890,542.88x = 90,092,253,878,125.38 - Step 5: Solve for x
x = 90,092,253,878,125.38/10,890,542.88 - Step 6: Final answer
x = 8,272,521.84
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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.