Finding the Fourth Proportional to 13,423,690.44, 18,524,036.07 and 7,622,347.95
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Solution
The fourth proportional to 13,423,690.44, 18,524,036.07 and 7,622,347.95 is: 10,518,467.26
Step by Step Solution
- Step 1: Write the proportion equation
13,423,690.44 : 18,524,036.07 = 7,622,347.95 : x - Step 2: Convert to fraction form
13,423,690.44/18,524,036.07 = 7,622,347.95/x - Step 3: Cross multiply
13,423,690.44x = 18,524,036.07 × 7,622,347.95 - Step 4: Simplify right side
13,423,690.44x = 141,196,648,363,890.56 - Step 5: Solve for x
x = 141,196,648,363,890.56/13,423,690.44 - Step 6: Final answer
x = 10,518,467.26
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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.