Finding the Fourth Proportional to 13,253,722.06, 19,854,601.53 and 6,868,163.20
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Solution
The fourth proportional to 13,253,722.06, 19,854,601.53 and 6,868,163.20 is: 10,288,780.99
Step by Step Solution
- Step 1: Write the proportion equation
13,253,722.06 : 19,854,601.53 = 6,868,163.20 : x - Step 2: Convert to fraction form
13,253,722.06/19,854,601.53 = 6,868,163.20/x - Step 3: Cross multiply
13,253,722.06x = 19,854,601.53 × 6,868,163.20 - Step 4: Simplify right side
13,253,722.06x = 136,364,643,579,009.70 - Step 5: Solve for x
x = 136,364,643,579,009.70/13,253,722.06 - Step 6: Final answer
x = 10,288,780.99
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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.