Finding the Fourth Proportional to 10,164,695.90, 15,243,810.57 and 3,339,695.99
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Solution
The fourth proportional to 10,164,695.90, 15,243,810.57 and 3,339,695.99 is: 5,008,481.67
Step by Step Solution
- Step 1: Write the proportion equation
10,164,695.90 : 15,243,810.57 = 3,339,695.99 : x - Step 2: Convert to fraction form
10,164,695.90/15,243,810.57 = 3,339,695.99/x - Step 3: Cross multiply
10,164,695.90x = 15,243,810.57 × 3,339,695.99 - Step 4: Simplify right side
10,164,695.90x = 50,909,693,071,058.14 - Step 5: Solve for x
x = 50,909,693,071,058.14/10,164,695.90 - Step 6: Final answer
x = 5,008,481.67
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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.