Finding the Fourth Proportional to 12,457,029.99, 18,686,523.60 and 3,358,990.79
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Solution
The fourth proportional to 12,457,029.99, 18,686,523.60 and 3,358,990.79 is: 5,038,750.06
Step by Step Solution
- Step 1: Write the proportion equation
12,457,029.99 : 18,686,523.60 = 3,358,990.79 : x - Step 2: Convert to fraction form
12,457,029.99/18,686,523.60 = 3,358,990.79/x - Step 3: Cross multiply
12,457,029.99x = 18,686,523.60 × 3,358,990.79 - Step 4: Simplify right side
12,457,029.99x = 62,767,860,576,085.03 - Step 5: Solve for x
x = 62,767,860,576,085.03/12,457,029.99 - Step 6: Final answer
x = 5,038,750.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.