Finding the Fourth Proportional to 14,642,033.04, 20,207,214.18 and 8,117,709.03
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Solution
The fourth proportional to 14,642,033.04, 20,207,214.18 and 8,117,709.03 is: 11,203,108.51
Step by Step Solution
- Step 1: Write the proportion equation
14,642,033.04 : 20,207,214.18 = 8,117,709.03 : x - Step 2: Convert to fraction form
14,642,033.04/20,207,214.18 = 8,117,709.03/x - Step 3: Cross multiply
14,642,033.04x = 20,207,214.18 × 8,117,709.03 - Step 4: Simplify right side
14,642,033.04x = 164,036,285,020,130.06 - Step 5: Solve for x
x = 164,036,285,020,130.06/14,642,033.04 - Step 6: Final answer
x = 11,203,108.51
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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.