Finding the Fourth Proportional to 18,098,406.42, 27,132,303.66 and 7,855,567.62
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Solution
The fourth proportional to 18,098,406.42, 27,132,303.66 and 7,855,567.62 is: 11,776,707.91
Step by Step Solution
- Step 1: Write the proportion equation
18,098,406.42 : 27,132,303.66 = 7,855,567.62 : x - Step 2: Convert to fraction form
18,098,406.42/27,132,303.66 = 7,855,567.62/x - Step 3: Cross multiply
18,098,406.42x = 27,132,303.66 × 7,855,567.62 - Step 4: Simplify right side
18,098,406.42x = 213,139,646,087,503.50 - Step 5: Solve for x
x = 213,139,646,087,503.50/18,098,406.42 - Step 6: Final answer
x = 11,776,707.91
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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.