Finding the Fourth Proportional to 16,554,829.32, 22,845,499.20 and 9,212,536.80
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Solution
The fourth proportional to 16,554,829.32, 22,845,499.20 and 9,212,536.80 is: 12,713,208.82
Step by Step Solution
- Step 1: Write the proportion equation
16,554,829.32 : 22,845,499.20 = 9,212,536.80 : x - Step 2: Convert to fraction form
16,554,829.32/22,845,499.20 = 9,212,536.80/x - Step 3: Cross multiply
16,554,829.32x = 22,845,499.20 × 9,212,536.80 - Step 4: Simplify right side
16,554,829.32x = 210,465,002,094,370.56 - Step 5: Solve for x
x = 210,465,002,094,370.56/16,554,829.32 - Step 6: Final answer
x = 12,713,208.82
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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.