Finding the Fourth Proportional to 8,748,108.70, 13,122,163.05 and 5,346,886.30
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Solution
The fourth proportional to 8,748,108.70, 13,122,163.05 and 5,346,886.30 is: 8,020,329.45
Step by Step Solution
- Step 1: Write the proportion equation
8,748,108.70 : 13,122,163.05 = 5,346,886.30 : x - Step 2: Convert to fraction form
8,748,108.70/13,122,163.05 = 5,346,886.30/x - Step 3: Cross multiply
8,748,108.70x = 13,122,163.05 × 5,346,886.30 - Step 4: Simplify right side
8,748,108.70x = 70,162,713,838,411.22 - Step 5: Solve for x
x = 70,162,713,838,411.22/8,748,108.70 - Step 6: Final answer
x = 8,020,329.45
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Double scale
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Similar ratio
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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.