Finding the Fourth Proportional to 47,289,029.83, 70,936,537.29 and 19,990,233.65
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Solution
The fourth proportional to 47,289,029.83, 70,936,537.29 and 19,990,233.65 is: 29,986,615.50
Step by Step Solution
- Step 1: Write the proportion equation
47,289,029.83 : 70,936,537.29 = 19,990,233.65 : x - Step 2: Convert to fraction form
47,289,029.83/70,936,537.29 = 19,990,233.65/x - Step 3: Cross multiply
47,289,029.83x = 70,936,537.29 × 19,990,233.65 - Step 4: Simplify right side
47,289,029.83x = 1,418,037,954,749,037.75 - Step 5: Solve for x
x = 1,418,037,954,749,037.75/47,289,029.83 - Step 6: Final answer
x = 29,986,615.50
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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.