Finding the Fourth Proportional to 21,442,402.88, 32,168,347.68 and 7,064,889.92
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Solution
The fourth proportional to 21,442,402.88, 32,168,347.68 and 7,064,889.92 is: 10,598,897.73
Step by Step Solution
- Step 1: Write the proportion equation
21,442,402.88 : 32,168,347.68 = 7,064,889.92 : x - Step 2: Convert to fraction form
21,442,402.88/32,168,347.68 = 7,064,889.92/x - Step 3: Cross multiply
21,442,402.88x = 32,168,347.68 × 7,064,889.92 - Step 4: Simplify right side
21,442,402.88x = 227,265,835,267,487.38 - Step 5: Solve for x
x = 227,265,835,267,487.38/21,442,402.88 - Step 6: Final answer
x = 10,598,897.73
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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.