Finding the Fourth Proportional to 8,748,000.30, 13,122,000.45 and 6,480,518.70
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Solution
The fourth proportional to 8,748,000.30, 13,122,000.45 and 6,480,518.70 is: 9,720,778.05
Step by Step Solution
- Step 1: Write the proportion equation
8,748,000.30 : 13,122,000.45 = 6,480,518.70 : x - Step 2: Convert to fraction form
8,748,000.30/13,122,000.45 = 6,480,518.70/x - Step 3: Cross multiply
8,748,000.30x = 13,122,000.45 × 6,480,518.70 - Step 4: Simplify right side
8,748,000.30x = 85,037,369,297,633.41 - Step 5: Solve for x
x = 85,037,369,297,633.41/8,748,000.30 - Step 6: Final answer
x = 9,720,778.05
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1.5x scale
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.