Finding the Fourth Proportional to 16,574,430.80, 24,819,655.80 and 13,215,198.80
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Solution
The fourth proportional to 16,574,430.80, 24,819,655.80 and 13,215,198.80 is: 19,789,318.23
Step by Step Solution
- Step 1: Write the proportion equation
16,574,430.80 : 24,819,655.80 = 13,215,198.80 : x - Step 2: Convert to fraction form
16,574,430.80/24,819,655.80 = 13,215,198.80/x - Step 3: Cross multiply
16,574,430.80x = 24,819,655.80 × 13,215,198.80 - Step 4: Simplify right side
16,574,430.80x = 327,996,685,544,573.06 - Step 5: Solve for x
x = 327,996,685,544,573.06/16,574,430.80 - Step 6: Final answer
x = 19,789,318.23
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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.