Finding the Fourth Proportional to 19,962,799.80, 29,944,199.70 and 11,004,847.80
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Solution
The fourth proportional to 19,962,799.80, 29,944,199.70 and 11,004,847.80 is: 16,507,271.70
Step by Step Solution
- Step 1: Write the proportion equation
19,962,799.80 : 29,944,199.70 = 11,004,847.80 : x - Step 2: Convert to fraction form
19,962,799.80/29,944,199.70 = 11,004,847.80/x - Step 3: Cross multiply
19,962,799.80x = 29,944,199.70 × 11,004,847.80 - Step 4: Simplify right side
19,962,799.80x = 329,531,360,191,305.69 - Step 5: Solve for x
x = 329,531,360,191,305.69/19,962,799.80 - Step 6: Final answer
x = 16,507,271.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.