Finding the Fourth Proportional to 19,259,553.76, 28,901,849.33 and 8,340,407.08
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Solution
The fourth proportional to 19,259,553.76, 28,901,849.33 and 8,340,407.08 is: 12,516,031.88
Step by Step Solution
- Step 1: Write the proportion equation
19,259,553.76 : 28,901,849.33 = 8,340,407.08 : x - Step 2: Convert to fraction form
19,259,553.76/28,901,849.33 = 8,340,407.08/x - Step 3: Cross multiply
19,259,553.76x = 28,901,849.33 × 8,340,407.08 - Step 4: Simplify right side
19,259,553.76x = 241,053,188,777,025.25 - Step 5: Solve for x
x = 241,053,188,777,025.25/19,259,553.76 - Step 6: Final answer
x = 12,516,031.88
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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.