Finding the Fourth Proportional to 12,460,094.30, 18,652,816.65 and 7,408,804.70
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Solution
The fourth proportional to 12,460,094.30, 18,652,816.65 and 7,408,804.70 is: 11,091,013.63
Step by Step Solution
- Step 1: Write the proportion equation
12,460,094.30 : 18,652,816.65 = 7,408,804.70 : x - Step 2: Convert to fraction form
12,460,094.30/18,652,816.65 = 7,408,804.70/x - Step 3: Cross multiply
12,460,094.30x = 18,652,816.65 × 7,408,804.70 - Step 4: Simplify right side
12,460,094.30x = 138,195,075,664,758.25 - Step 5: Solve for x
x = 138,195,075,664,758.25/12,460,094.30 - Step 6: Final answer
x = 11,091,013.63
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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.