Finding the Fourth Proportional to 45,811,605.82, 68,717,421.54 and 13,463,506.60
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Solution
The fourth proportional to 45,811,605.82, 68,717,421.54 and 13,463,506.60 is: 20,195,263.66
Step by Step Solution
- Step 1: Write the proportion equation
45,811,605.82 : 68,717,421.54 = 13,463,506.60 : x - Step 2: Convert to fraction form
45,811,605.82/68,717,421.54 = 13,463,506.60/x - Step 3: Cross multiply
45,811,605.82x = 68,717,421.54 × 13,463,506.60 - Step 4: Simplify right side
45,811,605.82x = 925,177,458,438,772.25 - Step 5: Solve for x
x = 925,177,458,438,772.25/45,811,605.82 - Step 6: Final answer
x = 20,195,263.66
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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.