Finding the Fourth Proportional to 38,931,643.02, 53,707,809.87 and 25,185,040.14
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Solution
The fourth proportional to 38,931,643.02, 53,707,809.87 and 25,185,040.14 is: 34,743,803.30
Step by Step Solution
- Step 1: Write the proportion equation
38,931,643.02 : 53,707,809.87 = 25,185,040.14 : x - Step 2: Convert to fraction form
38,931,643.02/53,707,809.87 = 25,185,040.14/x - Step 3: Cross multiply
38,931,643.02x = 53,707,809.87 × 25,185,040.14 - Step 4: Simplify right side
38,931,643.02x = 1,352,633,347,407,438.25 - Step 5: Solve for x
x = 1,352,633,347,407,438.25/38,931,643.02 - Step 6: Final answer
x = 34,743,803.30
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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.