Finding the Fourth Proportional to 29,546,888.33, 40,479,048.21 and 28,441,971.74
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Solution
The fourth proportional to 29,546,888.33, 40,479,048.21 and 28,441,971.74 is: 38,965,319.54
Step by Step Solution
- Step 1: Write the proportion equation
29,546,888.33 : 40,479,048.21 = 28,441,971.74 : x - Step 2: Convert to fraction form
29,546,888.33/40,479,048.21 = 28,441,971.74/x - Step 3: Cross multiply
29,546,888.33x = 40,479,048.21 × 28,441,971.74 - Step 4: Simplify right side
29,546,888.33x = 1,151,303,945,048,522.25 - Step 5: Solve for x
x = 1,151,303,945,048,522.25/29,546,888.33 - Step 6: Final answer
x = 38,965,319.54
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.