Finding the Fourth Proportional to 27,281,617.68, 37,648,635.66 and 15,058,477.92
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Solution
The fourth proportional to 27,281,617.68, 37,648,635.66 and 15,058,477.92 is: 20,780,701.33
Step by Step Solution
- Step 1: Write the proportion equation
27,281,617.68 : 37,648,635.66 = 15,058,477.92 : x - Step 2: Convert to fraction form
27,281,617.68/37,648,635.66 = 15,058,477.92/x - Step 3: Cross multiply
27,281,617.68x = 37,648,635.66 × 15,058,477.92 - Step 4: Simplify right side
27,281,617.68x = 566,931,148,804,234.62 - Step 5: Solve for x
x = 566,931,148,804,234.62/27,281,617.68 - Step 6: Final answer
x = 20,780,701.33
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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.