Finding the Fourth Proportional to 13,781,228.14, 20,674,956.50 and 4,559,178.96
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Solution
The fourth proportional to 13,781,228.14, 20,674,956.50 and 4,559,178.96 is: 6,839,798.73
Step by Step Solution
- Step 1: Write the proportion equation
13,781,228.14 : 20,674,956.50 = 4,559,178.96 : x - Step 2: Convert to fraction form
13,781,228.14/20,674,956.50 = 4,559,178.96/x - Step 3: Cross multiply
13,781,228.14x = 20,674,956.50 × 4,559,178.96 - Step 4: Simplify right side
13,781,228.14x = 94,260,826,685,400.69 - Step 5: Solve for x
x = 94,260,826,685,400.69/13,781,228.14 - Step 6: Final answer
x = 6,839,798.73
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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.