Finding the Fourth Proportional to 23,772,423.12, 32,806,074.88 and 12,907,407.12
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Solution
The fourth proportional to 23,772,423.12, 32,806,074.88 and 12,907,407.12 is: 17,812,292.94
Step by Step Solution
- Step 1: Write the proportion equation
23,772,423.12 : 32,806,074.88 = 12,907,407.12 : x - Step 2: Convert to fraction form
23,772,423.12/32,806,074.88 = 12,907,407.12/x - Step 3: Cross multiply
23,772,423.12x = 32,806,074.88 × 12,907,407.12 - Step 4: Simplify right side
23,772,423.12x = 423,441,364,485,365.12 - Step 5: Solve for x
x = 423,441,364,485,365.12/23,772,423.12 - Step 6: Final answer
x = 17,812,292.94
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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.