Finding the Fourth Proportional to 12,337,780.68, 17,026,135.20 and 6,905,272.68
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Solution
The fourth proportional to 12,337,780.68, 17,026,135.20 and 6,905,272.68 is: 9,529,275.10
Step by Step Solution
- Step 1: Write the proportion equation
12,337,780.68 : 17,026,135.20 = 6,905,272.68 : x - Step 2: Convert to fraction form
12,337,780.68/17,026,135.20 = 6,905,272.68/x - Step 3: Cross multiply
12,337,780.68x = 17,026,135.20 × 6,905,272.68 - Step 4: Simplify right side
12,337,780.68x = 117,570,106,242,546.33 - Step 5: Solve for x
x = 117,570,106,242,546.33/12,337,780.68 - Step 6: Final answer
x = 9,529,275.10
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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.