Finding the Fourth Proportional to 19,759,566.08, 29,519,259.75 and 12,786,236.71
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Solution
The fourth proportional to 19,759,566.08, 29,519,259.75 and 12,786,236.71 is: 19,101,646.31
Step by Step Solution
- Step 1: Write the proportion equation
19,759,566.08 : 29,519,259.75 = 12,786,236.71 : x - Step 2: Convert to fraction form
19,759,566.08/29,519,259.75 = 12,786,236.71/x - Step 3: Cross multiply
19,759,566.08x = 29,519,259.75 × 12,786,236.71 - Step 4: Simplify right side
19,759,566.08x = 377,440,242,593,677.25 - Step 5: Solve for x
x = 377,440,242,593,677.25/19,759,566.08 - Step 6: Final answer
x = 19,101,646.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.