Finding the Fourth Proportional to 40,912,122.06, 56,479,955.67 and 29,886,492.78
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Solution
The fourth proportional to 40,912,122.06, 56,479,955.67 and 29,886,492.78 is: 41,258,866.62
Step by Step Solution
- Step 1: Write the proportion equation
40,912,122.06 : 56,479,955.67 = 29,886,492.78 : x - Step 2: Convert to fraction form
40,912,122.06/56,479,955.67 = 29,886,492.78/x - Step 3: Cross multiply
40,912,122.06x = 56,479,955.67 × 29,886,492.78 - Step 4: Simplify right side
40,912,122.06x = 1,687,987,787,346,175.25 - Step 5: Solve for x
x = 1,687,987,787,346,175.25/40,912,122.06 - Step 6: Final answer
x = 41,258,866.62
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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.