Finding the Fourth Proportional to 19,900,980.26, 29,851,637.49 and 5,525,169.11
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Solution
The fourth proportional to 19,900,980.26, 29,851,637.49 and 5,525,169.11 is: 8,287,800.05
Step by Step Solution
- Step 1: Write the proportion equation
19,900,980.26 : 29,851,637.49 = 5,525,169.11 : x - Step 2: Convert to fraction form
19,900,980.26/29,851,637.49 = 5,525,169.11/x - Step 3: Cross multiply
19,900,980.26x = 29,851,637.49 × 5,525,169.11 - Step 4: Simplify right side
19,900,980.26x = 164,935,345,193,407.75 - Step 5: Solve for x
x = 164,935,345,193,407.75/19,900,980.26 - Step 6: Final answer
x = 8,287,800.05
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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.