Finding the Fourth Proportional to 38,668,886.26, 53,364,466.07 and 22,152,202.99
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Solution
The fourth proportional to 38,668,886.26, 53,364,466.07 and 22,152,202.99 is: 30,570,843.88
Step by Step Solution
- Step 1: Write the proportion equation
38,668,886.26 : 53,364,466.07 = 22,152,202.99 : x - Step 2: Convert to fraction form
38,668,886.26/53,364,466.07 = 22,152,202.99/x - Step 3: Cross multiply
38,668,886.26x = 53,364,466.07 × 22,152,202.99 - Step 4: Simplify right side
38,668,886.26x = 1,182,140,484,674,506.25 - Step 5: Solve for x
x = 1,182,140,484,674,506.25/38,668,886.26 - Step 6: Final answer
x = 30,570,843.88
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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.