Finding the Fourth Proportional to 8,889,461.80, 13,334,192.70 and 6,649,973.80
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Solution
The fourth proportional to 8,889,461.80, 13,334,192.70 and 6,649,973.80 is: 9,974,960.70
Step by Step Solution
- Step 1: Write the proportion equation
8,889,461.80 : 13,334,192.70 = 6,649,973.80 : x - Step 2: Convert to fraction form
8,889,461.80/13,334,192.70 = 6,649,973.80/x - Step 3: Cross multiply
8,889,461.80x = 13,334,192.70 × 6,649,973.80 - Step 4: Simplify right side
8,889,461.80x = 88,672,032,099,151.25 - Step 5: Solve for x
x = 88,672,032,099,151.25/8,889,461.80 - Step 6: Final answer
x = 9,974,960.70
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1.5x scale
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.