Finding the Fourth Proportional to 18,588,533.37, 27,893,713.20 and 7,805,004.99
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Solution
The fourth proportional to 18,588,533.37, 27,893,713.20 and 7,805,004.99 is: 11,712,089.73
Step by Step Solution
- Step 1: Write the proportion equation
18,588,533.37 : 27,893,713.20 = 7,805,004.99 : x - Step 2: Convert to fraction form
18,588,533.37/27,893,713.20 = 7,805,004.99/x - Step 3: Cross multiply
18,588,533.37x = 27,893,713.20 × 7,805,004.99 - Step 4: Simplify right side
18,588,533.37x = 217,710,570,715,628.88 - Step 5: Solve for x
x = 217,710,570,715,628.88/18,588,533.37 - Step 6: Final answer
x = 11,712,089.73
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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.