Finding the Fourth Proportional to 23,745,920.21, 32,769,491.32 and 13,432,421.87
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Solution
The fourth proportional to 23,745,920.21, 32,769,491.32 and 13,432,421.87 is: 18,536,810.87
Step by Step Solution
- Step 1: Write the proportion equation
23,745,920.21 : 32,769,491.32 = 13,432,421.87 : x - Step 2: Convert to fraction form
23,745,920.21/32,769,491.32 = 13,432,421.87/x - Step 3: Cross multiply
23,745,920.21x = 32,769,491.32 × 13,432,421.87 - Step 4: Simplify right side
23,745,920.21x = 440,173,631,851,371.81 - Step 5: Solve for x
x = 440,173,631,851,371.81/23,745,920.21 - Step 6: Final answer
x = 18,536,810.87
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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.