Finding the Fourth Proportional to 18,703,733.99, 25,828,980.75 and 17,684,751.35
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Solution
The fourth proportional to 18,703,733.99, 25,828,980.75 and 17,684,751.35 is: 24,421,813.44
Step by Step Solution
- Step 1: Write the proportion equation
18,703,733.99 : 25,828,980.75 = 17,684,751.35 : x - Step 2: Convert to fraction form
18,703,733.99/25,828,980.75 = 17,684,751.35/x - Step 3: Cross multiply
18,703,733.99x = 25,828,980.75 × 17,684,751.35 - Step 4: Simplify right side
18,703,733.99x = 456,779,102,058,541.56 - Step 5: Solve for x
x = 456,779,102,058,541.56/18,703,733.99 - Step 6: Final answer
x = 24,421,813.44
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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.