Finding the Fourth Proportional to 9,490,947.20, 14,235,038.40 and 2,758,659.20
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Solution
The fourth proportional to 9,490,947.20, 14,235,038.40 and 2,758,659.20 is: 4,137,586.99
Step by Step Solution
- Step 1: Write the proportion equation
9,490,947.20 : 14,235,038.40 = 2,758,659.20 : x - Step 2: Convert to fraction form
9,490,947.20/14,235,038.40 = 2,758,659.20/x - Step 3: Cross multiply
9,490,947.20x = 14,235,038.40 × 2,758,659.20 - Step 4: Simplify right side
9,490,947.20x = 39,269,619,644,513.28 - Step 5: Solve for x
x = 39,269,619,644,513.28/9,490,947.20 - Step 6: Final answer
x = 4,137,586.99
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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.