Finding the Fourth Proportional to 12,128,794.98, 16,739,204.82 and 6,903,073.76
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Solution
The fourth proportional to 12,128,794.98, 16,739,204.82 and 6,903,073.76 is: 9,527,077.15
Step by Step Solution
- Step 1: Write the proportion equation
12,128,794.98 : 16,739,204.82 = 6,903,073.76 : x - Step 2: Convert to fraction form
12,128,794.98/16,739,204.82 = 6,903,073.76/x - Step 3: Cross multiply
12,128,794.98x = 16,739,204.82 × 6,903,073.76 - Step 4: Simplify right side
12,128,794.98x = 115,551,965,551,945.22 - Step 5: Solve for x
x = 115,551,965,551,945.22/12,128,794.98 - Step 6: Final answer
x = 9,527,077.15
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1.5x scale
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.