Finding the Fourth Proportional to 43,291,805.70, 64,937,708.55 and 12,995,732.10
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Solution
The fourth proportional to 43,291,805.70, 64,937,708.55 and 12,995,732.10 is: 19,493,598.15
Step by Step Solution
- Step 1: Write the proportion equation
43,291,805.70 : 64,937,708.55 = 12,995,732.10 : x - Step 2: Convert to fraction form
43,291,805.70/64,937,708.55 = 12,995,732.10/x - Step 3: Cross multiply
43,291,805.70x = 64,937,708.55 × 12,995,732.10 - Step 4: Simplify right side
43,291,805.70x = 843,913,063,503,679.38 - Step 5: Solve for x
x = 843,913,063,503,679.38/43,291,805.70 - Step 6: Final answer
x = 19,493,598.15
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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.