Finding the Fourth Proportional to 22,768,700.99, 31,420,708.72 and 12,314,727.99
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Solution
The fourth proportional to 22,768,700.99, 31,420,708.72 and 12,314,727.99 is: 16,994,271.27
Step by Step Solution
- Step 1: Write the proportion equation
22,768,700.99 : 31,420,708.72 = 12,314,727.99 : x - Step 2: Convert to fraction form
22,768,700.99/31,420,708.72 = 12,314,727.99/x - Step 3: Cross multiply
22,768,700.99x = 31,420,708.72 × 12,314,727.99 - Step 4: Simplify right side
22,768,700.99x = 386,937,481,109,034.25 - Step 5: Solve for x
x = 386,937,481,109,034.25/22,768,700.99 - Step 6: Final answer
x = 16,994,271.27
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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.