Finding the Fourth Proportional to 17,646,835.30, 24,355,522.08 and 14,701,982.70
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Solution
The fourth proportional to 17,646,835.30, 24,355,522.08 and 14,701,982.70 is: 20,291,143.32
Step by Step Solution
- Step 1: Write the proportion equation
17,646,835.30 : 24,355,522.08 = 14,701,982.70 : x - Step 2: Convert to fraction form
17,646,835.30/24,355,522.08 = 14,701,982.70/x - Step 3: Cross multiply
17,646,835.30x = 24,355,522.08 × 14,701,982.70 - Step 4: Simplify right side
17,646,835.30x = 358,074,464,269,628 - Step 5: Solve for x
x = 358,074,464,269,628/17,646,835.30 - Step 6: Final answer
x = 20,291,143.32
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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.