Finding the Fourth Proportional to 19,515,972.08, 29,274,023.64 and 4,942,885.88
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Solution
The fourth proportional to 19,515,972.08, 29,274,023.64 and 4,942,885.88 is: 7,414,345.41
Step by Step Solution
- Step 1: Write the proportion equation
19,515,972.08 : 29,274,023.64 = 4,942,885.88 : x - Step 2: Convert to fraction form
19,515,972.08/29,274,023.64 = 4,942,885.88/x - Step 3: Cross multiply
19,515,972.08x = 29,274,023.64 × 4,942,885.88 - Step 4: Simplify right side
19,515,972.08x = 144,698,158,100,942.19 - Step 5: Solve for x
x = 144,698,158,100,942.19/19,515,972.08 - Step 6: Final answer
x = 7,414,345.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.