Finding the Fourth Proportional to 14,829,378.17, 20,464,753.13 and 8,549,781.26
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Solution
The fourth proportional to 14,829,378.17, 20,464,753.13 and 8,549,781.26 is: 11,798,819.94
Step by Step Solution
- Step 1: Write the proportion equation
14,829,378.17 : 20,464,753.13 = 8,549,781.26 : x - Step 2: Convert to fraction form
14,829,378.17/20,464,753.13 = 8,549,781.26/x - Step 3: Cross multiply
14,829,378.17x = 20,464,753.13 × 8,549,781.26 - Step 4: Simplify right side
14,829,378.17x = 174,969,162,801,400.34 - Step 5: Solve for x
x = 174,969,162,801,400.34/14,829,378.17 - Step 6: Final answer
x = 11,798,819.94
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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.