Finding the Fourth Proportional to 11,026,057.28, 15,216,306.80 and 6,131,485.67
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Solution
The fourth proportional to 11,026,057.28, 15,216,306.80 and 6,131,485.67 is: 8,461,643.60
Step by Step Solution
- Step 1: Write the proportion equation
11,026,057.28 : 15,216,306.80 = 6,131,485.67 : x - Step 2: Convert to fraction form
11,026,057.28/15,216,306.80 = 6,131,485.67/x - Step 3: Cross multiply
11,026,057.28x = 15,216,306.80 × 6,131,485.67 - Step 4: Simplify right side
11,026,057.28x = 93,298,566,987,784.59 - Step 5: Solve for x
x = 93,298,566,987,784.59/11,026,057.28 - Step 6: Final answer
x = 8,461,643.60
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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.