Finding the Fourth Proportional to 18,817,713.30, 28,184,579.55 and 14,544,023.70
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Solution
The fourth proportional to 18,817,713.30, 28,184,579.55 and 14,544,023.70 is: 21,783,581.59
Step by Step Solution
- Step 1: Write the proportion equation
18,817,713.30 : 28,184,579.55 = 14,544,023.70 : x - Step 2: Convert to fraction form
18,817,713.30/28,184,579.55 = 14,544,023.70/x - Step 3: Cross multiply
18,817,713.30x = 28,184,579.55 × 14,544,023.70 - Step 4: Simplify right side
18,817,713.30x = 409,917,192,949,735.31 - Step 5: Solve for x
x = 409,917,192,949,735.31/18,817,713.30 - Step 6: Final answer
x = 21,783,581.59
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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.