Finding the Fourth Proportional to 9,817,454.30, 13,548,702.20 and 5,407,178.99
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Solution
The fourth proportional to 9,817,454.30, 13,548,702.20 and 5,407,178.99 is: 7,462,245.87
Step by Step Solution
- Step 1: Write the proportion equation
9,817,454.30 : 13,548,702.20 = 5,407,178.99 : x - Step 2: Convert to fraction form
9,817,454.30/13,548,702.20 = 5,407,178.99/x - Step 3: Cross multiply
9,817,454.30x = 13,548,702.20 × 5,407,178.99 - Step 4: Simplify right side
9,817,454.30x = 73,260,257,782,827.38 - Step 5: Solve for x
x = 73,260,257,782,827.38/9,817,454.30 - Step 6: Final answer
x = 7,462,245.87
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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.