Finding the Fourth Proportional to 8,717,157.04, 12,035,601.12 and 5,455,289.20
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Solution
The fourth proportional to 8,717,157.04, 12,035,601.12 and 5,455,289.20 is: 7,532,006.65
Step by Step Solution
- Step 1: Write the proportion equation
8,717,157.04 : 12,035,601.12 = 5,455,289.20 : x - Step 2: Convert to fraction form
8,717,157.04/12,035,601.12 = 5,455,289.20/x - Step 3: Cross multiply
8,717,157.04x = 12,035,601.12 × 5,455,289.20 - Step 4: Simplify right side
8,717,157.04x = 65,657,684,805,443.90 - Step 5: Solve for x
x = 65,657,684,805,443.90/8,717,157.04 - Step 6: Final answer
x = 7,532,006.65
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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.