Finding the Fourth Proportional to 19,770,643.94, 29,650,239.77 and 5,937,044.80
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Solution
The fourth proportional to 19,770,643.94, 29,650,239.77 and 5,937,044.80 is: 8,903,847.66
Step by Step Solution
- Step 1: Write the proportion equation
19,770,643.94 : 29,650,239.77 = 5,937,044.80 : x - Step 2: Convert to fraction form
19,770,643.94/29,650,239.77 = 5,937,044.80/x - Step 3: Cross multiply
19,770,643.94x = 29,650,239.77 × 5,937,044.80 - Step 4: Simplify right side
19,770,643.94x = 176,034,801,832,494.88 - Step 5: Solve for x
x = 176,034,801,832,494.88/19,770,643.94 - Step 6: Final answer
x = 8,903,847.66
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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.