Finding the Fourth Proportional to 28,017,305.28, 38,676,279.13 and 18,099,023.99
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Solution
The fourth proportional to 28,017,305.28, 38,676,279.13 and 18,099,023.99 is: 24,984,662.04
Step by Step Solution
- Step 1: Write the proportion equation
28,017,305.28 : 38,676,279.13 = 18,099,023.99 : x - Step 2: Convert to fraction form
28,017,305.28/38,676,279.13 = 18,099,023.99/x - Step 3: Cross multiply
28,017,305.28x = 38,676,279.13 × 18,099,023.99 - Step 4: Simplify right side
28,017,305.28x = 700,002,903,533,929.75 - Step 5: Solve for x
x = 700,002,903,533,929.75/28,017,305.28 - Step 6: Final answer
x = 24,984,662.04
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1.5x scale
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.