Finding the Fourth Proportional to 26,977,128.62, 37,226,186.97 and 15,215,748.86
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Solution
The fourth proportional to 26,977,128.62, 37,226,186.97 and 15,215,748.86 is: 20,996,464.08
Step by Step Solution
- Step 1: Write the proportion equation
26,977,128.62 : 37,226,186.97 = 15,215,748.86 : x - Step 2: Convert to fraction form
26,977,128.62/37,226,186.97 = 15,215,748.86/x - Step 3: Cross multiply
26,977,128.62x = 37,226,186.97 × 15,215,748.86 - Step 4: Simplify right side
26,977,128.62x = 566,424,311,950,924.38 - Step 5: Solve for x
x = 566,424,311,950,924.38/26,977,128.62 - Step 6: Final answer
x = 20,996,464.08
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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.