Finding the Fourth Proportional to 13,466,124.64, 18,583,370.02 and 7,665,279.36
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Solution
The fourth proportional to 13,466,124.64, 18,583,370.02 and 7,665,279.36 is: 10,578,152.70
Step by Step Solution
- Step 1: Write the proportion equation
13,466,124.64 : 18,583,370.02 = 7,665,279.36 : x - Step 2: Convert to fraction form
13,466,124.64/18,583,370.02 = 7,665,279.36/x - Step 3: Cross multiply
13,466,124.64x = 18,583,370.02 × 7,665,279.36 - Step 4: Simplify right side
13,466,124.64x = 142,446,722,653,548.78 - Step 5: Solve for x
x = 142,446,722,653,548.78/13,466,124.64 - Step 6: Final answer
x = 10,578,152.70
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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.