Finding the Fourth Proportional to 10,798,840.10, 16,198,260.15 and 7,929,058.70
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Solution
The fourth proportional to 10,798,840.10, 16,198,260.15 and 7,929,058.70 is: 11,893,588.05
Step by Step Solution
- Step 1: Write the proportion equation
10,798,840.10 : 16,198,260.15 = 7,929,058.70 : x - Step 2: Convert to fraction form
10,798,840.10/16,198,260.15 = 7,929,058.70/x - Step 3: Cross multiply
10,798,840.10x = 16,198,260.15 × 7,929,058.70 - Step 4: Simplify right side
10,798,840.10x = 128,436,955,567,220.81 - Step 5: Solve for x
x = 128,436,955,567,220.81/10,798,840.10 - Step 6: Final answer
x = 11,893,588.05
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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.