Finding the Fourth Proportional to 13,306,415.10, 19,959,622.65 and 4,785,644.40
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Solution
The fourth proportional to 13,306,415.10, 19,959,622.65 and 4,785,644.40 is: 7,178,466.60
Step by Step Solution
- Step 1: Write the proportion equation
13,306,415.10 : 19,959,622.65 = 4,785,644.40 : x - Step 2: Convert to fraction form
13,306,415.10/19,959,622.65 = 4,785,644.40/x - Step 3: Cross multiply
13,306,415.10x = 19,959,622.65 × 4,785,644.40 - Step 4: Simplify right side
13,306,415.10x = 95,519,656,361,085.66 - Step 5: Solve for x
x = 95,519,656,361,085.66/13,306,415.10 - Step 6: Final answer
x = 7,178,466.60
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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.