Finding the Fourth Proportional to 16,507,396.65, 24,761,094.98 and 15,387,652.65
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Solution
The fourth proportional to 16,507,396.65, 24,761,094.98 and 15,387,652.65 is: 23,081,478.98
Step by Step Solution
- Step 1: Write the proportion equation
16,507,396.65 : 24,761,094.98 = 15,387,652.65 : x - Step 2: Convert to fraction form
16,507,396.65/24,761,094.98 = 15,387,652.65/x - Step 3: Cross multiply
16,507,396.65x = 24,761,094.98 × 15,387,652.65 - Step 4: Simplify right side
16,507,396.65x = 381,015,128,708,960.44 - Step 5: Solve for x
x = 381,015,128,708,960.44/16,507,396.65 - Step 6: Final answer
x = 23,081,478.98
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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.