Finding the Fourth Proportional to 15,404,789.04, 21,259,273.14 and 8,529,271.08
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Solution
The fourth proportional to 15,404,789.04, 21,259,273.14 and 8,529,271.08 is: 11,770,761.88
Step by Step Solution
- Step 1: Write the proportion equation
15,404,789.04 : 21,259,273.14 = 8,529,271.08 : x - Step 2: Convert to fraction form
15,404,789.04/21,259,273.14 = 8,529,271.08/x - Step 3: Cross multiply
15,404,789.04x = 21,259,273.14 × 8,529,271.08 - Step 4: Simplify right side
15,404,789.04x = 181,326,103,574,822.81 - Step 5: Solve for x
x = 181,326,103,574,822.81/15,404,789.04 - Step 6: Final answer
x = 11,770,761.88
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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.