Finding the Fourth Proportional to 16,054,485.84, 22,155,204.74 and 8,712,319.01
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Solution
The fourth proportional to 16,054,485.84, 22,155,204.74 and 8,712,319.01 is: 12,023,007.97
Step by Step Solution
- Step 1: Write the proportion equation
16,054,485.84 : 22,155,204.74 = 8,712,319.01 : x - Step 2: Convert to fraction form
16,054,485.84/22,155,204.74 = 8,712,319.01/x - Step 3: Cross multiply
16,054,485.84x = 22,155,204.74 × 8,712,319.01 - Step 4: Simplify right side
16,054,485.84x = 193,023,211,272,406.50 - Step 5: Solve for x
x = 193,023,211,272,406.50/16,054,485.84 - Step 6: Final answer
x = 12,023,007.97
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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.