Finding the Fourth Proportional to 23,648,690.37, 32,651,329.40 and 15,296,306.20
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Solution
The fourth proportional to 23,648,690.37, 32,651,329.40 and 15,296,306.20 is: 21,119,339.99
Step by Step Solution
- Step 1: Write the proportion equation
23,648,690.37 : 32,651,329.40 = 15,296,306.20 : x - Step 2: Convert to fraction form
23,648,690.37/32,651,329.40 = 15,296,306.20/x - Step 3: Cross multiply
23,648,690.37x = 32,651,329.40 × 15,296,306.20 - Step 4: Simplify right side
23,648,690.37x = 499,444,732,339,462.25 - Step 5: Solve for x
x = 499,444,732,339,462.25/23,648,690.37 - Step 6: Final answer
x = 21,119,339.99
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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.