Finding the Fourth Proportional to 13,525,433.99, 18,654,215.51 and 11,890,345.31
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Solution
The fourth proportional to 13,525,433.99, 18,654,215.51 and 11,890,345.31 is: 16,399,108.83
Step by Step Solution
- Step 1: Write the proportion equation
13,525,433.99 : 18,654,215.51 = 11,890,345.31 : x - Step 2: Convert to fraction form
13,525,433.99/18,654,215.51 = 11,890,345.31/x - Step 3: Cross multiply
13,525,433.99x = 18,654,215.51 × 11,890,345.31 - Step 4: Simplify right side
13,525,433.99x = 221,805,063,837,512.53 - Step 5: Solve for x
x = 221,805,063,837,512.53/13,525,433.99 - Step 6: Final answer
x = 16,399,108.83
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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.