Finding the Fourth Proportional to 16,649,628.60, 24,974,442.90 and 8,670,415.80
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Solution
The fourth proportional to 16,649,628.60, 24,974,442.90 and 8,670,415.80 is: 13,005,623.70
Step by Step Solution
- Step 1: Write the proportion equation
16,649,628.60 : 24,974,442.90 = 8,670,415.80 : x - Step 2: Convert to fraction form
16,649,628.60/24,974,442.90 = 8,670,415.80/x - Step 3: Cross multiply
16,649,628.60x = 24,974,442.90 × 8,670,415.80 - Step 4: Simplify right side
16,649,628.60x = 216,538,804,316,357.81 - Step 5: Solve for x
x = 216,538,804,316,357.81/16,649,628.60 - Step 6: Final answer
x = 13,005,623.70
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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.