Finding the Fourth Proportional to 11,679,031.05, 16,000,006.58 and 11,242,377.06
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Solution
The fourth proportional to 11,679,031.05, 16,000,006.58 and 11,242,377.06 is: 15,401,800.55
Step by Step Solution
- Step 1: Write the proportion equation
11,679,031.05 : 16,000,006.58 = 11,242,377.06 : x - Step 2: Convert to fraction form
11,679,031.05/16,000,006.58 = 11,242,377.06/x - Step 3: Cross multiply
11,679,031.05x = 16,000,006.58 × 11,242,377.06 - Step 4: Simplify right side
11,679,031.05x = 179,878,106,878,629.16 - Step 5: Solve for x
x = 179,878,106,878,629.16/11,679,031.05 - Step 6: Final answer
x = 15,401,800.55
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.