Finding the Fourth Proportional to 17,209,208.68, 23,750,423.51 and 12,850,728.17
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Solution
The fourth proportional to 17,209,208.68, 23,750,423.51 and 12,850,728.17 is: 17,735,285.92
Step by Step Solution
- Step 1: Write the proportion equation
17,209,208.68 : 23,750,423.51 = 12,850,728.17 : x - Step 2: Convert to fraction form
17,209,208.68/23,750,423.51 = 12,850,728.17/x - Step 3: Cross multiply
17,209,208.68x = 23,750,423.51 × 12,850,728.17 - Step 4: Simplify right side
17,209,208.68x = 305,210,236,266,381.50 - Step 5: Solve for x
x = 305,210,236,266,381.50/17,209,208.68 - Step 6: Final answer
x = 17,735,285.92
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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.