Finding the Fourth Proportional to 34,989,903.32, 48,286,087.34 and 19,519,987.91
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Solution
The fourth proportional to 34,989,903.32, 48,286,087.34 and 19,519,987.91 is: 26,937,594.89
Step by Step Solution
- Step 1: Write the proportion equation
34,989,903.32 : 48,286,087.34 = 19,519,987.91 : x - Step 2: Convert to fraction form
34,989,903.32/48,286,087.34 = 19,519,987.91/x - Step 3: Cross multiply
34,989,903.32x = 48,286,087.34 × 19,519,987.91 - Step 4: Simplify right side
34,989,903.32x = 942,543,840,758,973.75 - Step 5: Solve for x
x = 942,543,840,758,973.75/34,989,903.32 - Step 6: Final answer
x = 26,937,594.89
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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.