Finding the Fourth Proportional to 10,515,199.24, 14,510,968.84 and 5,686,303.24
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Solution
The fourth proportional to 10,515,199.24, 14,510,968.84 and 5,686,303.24 is: 7,847,095.17
Step by Step Solution
- Step 1: Write the proportion equation
10,515,199.24 : 14,510,968.84 = 5,686,303.24 : x - Step 2: Convert to fraction form
10,515,199.24/14,510,968.84 = 5,686,303.24/x - Step 3: Cross multiply
10,515,199.24x = 14,510,968.84 × 5,686,303.24 - Step 4: Simplify right side
10,515,199.24x = 82,513,769,130,431.05 - Step 5: Solve for x
x = 82,513,769,130,431.05/10,515,199.24 - Step 6: Final answer
x = 7,847,095.17
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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.