Finding the Fourth Proportional to 15,122,486.40, 22,677,832.80 and 6,597,009.60
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Solution
The fourth proportional to 15,122,486.40, 22,677,832.80 and 6,597,009.60 is: 9,892,941.99
Step by Step Solution
- Step 1: Write the proportion equation
15,122,486.40 : 22,677,832.80 = 6,597,009.60 : x - Step 2: Convert to fraction form
15,122,486.40/22,677,832.80 = 6,597,009.60/x - Step 3: Cross multiply
15,122,486.40x = 22,677,832.80 × 6,597,009.60 - Step 4: Simplify right side
15,122,486.40x = 149,605,880,688,794.88 - Step 5: Solve for x
x = 149,605,880,688,794.88/15,122,486.40 - Step 6: Final answer
x = 9,892,941.99
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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.