Finding the Fourth Proportional to 13,457,027.78, 20,185,827.68 and 4,821,690.68
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Solution
The fourth proportional to 13,457,027.78, 20,185,827.68 and 4,821,690.68 is: 7,232,638.49
Step by Step Solution
- Step 1: Write the proportion equation
13,457,027.78 : 20,185,827.68 = 4,821,690.68 : x - Step 2: Convert to fraction form
13,457,027.78/20,185,827.68 = 4,821,690.68/x - Step 3: Cross multiply
13,457,027.78x = 20,185,827.68 × 4,821,690.68 - Step 4: Simplify right side
13,457,027.78x = 97,329,817,103,867.11 - Step 5: Solve for x
x = 97,329,817,103,867.11/13,457,027.78 - Step 6: Final answer
x = 7,232,638.49
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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.