Finding the Fourth Proportional to 16,462,921.68, 22,716,993.60 and 9,118,932.84
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Solution
The fourth proportional to 16,462,921.68, 22,716,993.60 and 9,118,932.84 is: 12,583,109.06
Step by Step Solution
- Step 1: Write the proportion equation
16,462,921.68 : 22,716,993.60 = 9,118,932.84 : x - Step 2: Convert to fraction form
16,462,921.68/22,716,993.60 = 9,118,932.84/x - Step 3: Cross multiply
16,462,921.68x = 22,716,993.60 × 9,118,932.84 - Step 4: Simplify right side
16,462,921.68x = 207,154,738,965,109.84 - Step 5: Solve for x
x = 207,154,738,965,109.84/16,462,921.68 - Step 6: Final answer
x = 12,583,109.06
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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.