Finding the Fourth Proportional to 29,022,157.41, 40,049,376.40 and 15,791,388.75
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Solution
The fourth proportional to 29,022,157.41, 40,049,376.40 and 15,791,388.75 is: 21,791,463.09
Step by Step Solution
- Step 1: Write the proportion equation
29,022,157.41 : 40,049,376.40 = 15,791,388.75 : x - Step 2: Convert to fraction form
29,022,157.41/40,049,376.40 = 15,791,388.75/x - Step 3: Cross multiply
29,022,157.41x = 40,049,376.40 × 15,791,388.75 - Step 4: Simplify right side
29,022,157.41x = 632,435,271,947,214.75 - Step 5: Solve for x
x = 632,435,271,947,214.75/29,022,157.41 - Step 6: Final answer
x = 21,791,463.09
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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.