Finding the Fourth Proportional to 18,645,233.99, 25,731,714.49 and 11,303,376.57
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Solution
The fourth proportional to 18,645,233.99, 25,731,714.49 and 11,303,376.57 is: 15,599,442.67
Step by Step Solution
- Step 1: Write the proportion equation
18,645,233.99 : 25,731,714.49 = 11,303,376.57 : x - Step 2: Convert to fraction form
18,645,233.99/25,731,714.49 = 11,303,376.57/x - Step 3: Cross multiply
18,645,233.99x = 25,731,714.49 × 11,303,376.57 - Step 4: Simplify right side
18,645,233.99x = 290,855,258,643,937.06 - Step 5: Solve for x
x = 290,855,258,643,937.06/18,645,233.99 - Step 6: Final answer
x = 15,599,442.67
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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.