Finding the Fourth Proportional to 11,401,032.64, 15,733,679.60 and 6,506,157.28
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Solution
The fourth proportional to 11,401,032.64, 15,733,679.60 and 6,506,157.28 is: 8,978,642.31
Step by Step Solution
- Step 1: Write the proportion equation
11,401,032.64 : 15,733,679.60 = 6,506,157.28 : x - Step 2: Convert to fraction form
11,401,032.64/15,733,679.60 = 6,506,157.28/x - Step 3: Cross multiply
11,401,032.64x = 15,733,679.60 × 6,506,157.28 - Step 4: Simplify right side
11,401,032.64x = 102,365,794,070,727.48 - Step 5: Solve for x
x = 102,365,794,070,727.48/11,401,032.64 - Step 6: Final answer
x = 8,978,642.31
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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.