Finding the Fourth Proportional to 16,239,531.61, 22,410,553.05 and 8,897,642.87
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Solution
The fourth proportional to 16,239,531.61, 22,410,553.05 and 8,897,642.87 is: 12,278,746.85
Step by Step Solution
- Step 1: Write the proportion equation
16,239,531.61 : 22,410,553.05 = 8,897,642.87 : x - Step 2: Convert to fraction form
16,239,531.61/22,410,553.05 = 8,897,642.87/x - Step 3: Cross multiply
16,239,531.61x = 22,410,553.05 × 8,897,642.87 - Step 4: Simplify right side
16,239,531.61x = 199,401,097,513,601.03 - Step 5: Solve for x
x = 199,401,097,513,601.03/16,239,531.61 - Step 6: Final answer
x = 12,278,746.85
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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.