Finding the Fourth Proportional to 37,053,719.12, 51,134,252.84 and 20,534,116.20
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Solution
The fourth proportional to 37,053,719.12, 51,134,252.84 and 20,534,116.20 is: 28,337,147.11
Step by Step Solution
- Step 1: Write the proportion equation
37,053,719.12 : 51,134,252.84 = 20,534,116.20 : x - Step 2: Convert to fraction form
37,053,719.12/51,134,252.84 = 20,534,116.20/x - Step 3: Cross multiply
37,053,719.12x = 51,134,252.84 × 20,534,116.20 - Step 4: Simplify right side
37,053,719.12x = 1,049,996,689,616,740 - Step 5: Solve for x
x = 1,049,996,689,616,740/37,053,719.12 - Step 6: Final answer
x = 28,337,147.11
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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.