Finding the Fourth Proportional to 7,449,991.30, 11,174,986.95 and 5,536,803.70
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Solution
The fourth proportional to 7,449,991.30, 11,174,986.95 and 5,536,803.70 is: 8,305,205.55
Step by Step Solution
- Step 1: Write the proportion equation
7,449,991.30 : 11,174,986.95 = 5,536,803.70 : x - Step 2: Convert to fraction form
7,449,991.30/11,174,986.95 = 5,536,803.70/x - Step 3: Cross multiply
7,449,991.30x = 11,174,986.95 × 5,536,803.70 - Step 4: Simplify right side
7,449,991.30x = 61,873,709,092,211.71 - Step 5: Solve for x
x = 61,873,709,092,211.71/7,449,991.30 - Step 6: Final answer
x = 8,305,205.55
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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.