Finding the Fourth Proportional to 9,401,057.24, 12,968,683.71 and 6,139,780.97
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Solution
The fourth proportional to 9,401,057.24, 12,968,683.71 and 6,139,780.97 is: 8,469,779.02
Step by Step Solution
- Step 1: Write the proportion equation
9,401,057.24 : 12,968,683.71 = 6,139,780.97 : x - Step 2: Convert to fraction form
9,401,057.24/12,968,683.71 = 6,139,780.97/x - Step 3: Cross multiply
9,401,057.24x = 12,968,683.71 × 6,139,780.97 - Step 4: Simplify right side
9,401,057.24x = 79,624,877,360,739.41 - Step 5: Solve for x
x = 79,624,877,360,739.41/9,401,057.24 - Step 6: Final answer
x = 8,469,779.02
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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.