Finding the Fourth Proportional to 10,620,712.80, 14,652,301.68 and 6,147,325.44
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Solution
The fourth proportional to 10,620,712.80, 14,652,301.68 and 6,147,325.44 is: 8,480,830.67
Step by Step Solution
- Step 1: Write the proportion equation
10,620,712.80 : 14,652,301.68 = 6,147,325.44 : x - Step 2: Convert to fraction form
10,620,712.80/14,652,301.68 = 6,147,325.44/x - Step 3: Cross multiply
10,620,712.80x = 14,652,301.68 × 6,147,325.44 - Step 4: Simplify right side
10,620,712.80x = 90,072,466,872,018.75 - Step 5: Solve for x
x = 90,072,466,872,018.75/10,620,712.80 - Step 6: Final answer
x = 8,480,830.67
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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.