Finding the Fourth Proportional to 13,808,976.42, 20,712,713.16 and 4,224,354.96
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Solution
The fourth proportional to 13,808,976.42, 20,712,713.16 and 4,224,354.96 is: 6,336,302.56
Step by Step Solution
- Step 1: Write the proportion equation
13,808,976.42 : 20,712,713.16 = 4,224,354.96 : x - Step 2: Convert to fraction form
13,808,976.42/20,712,713.16 = 4,224,354.96/x - Step 3: Cross multiply
13,808,976.42x = 20,712,713.16 × 4,224,354.96 - Step 4: Simplify right side
13,808,976.42x = 87,497,852,572,503.28 - Step 5: Solve for x
x = 87,497,852,572,503.28/13,808,976.42 - Step 6: Final answer
x = 6,336,302.56
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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.